How to Dispute Any Bill: A Universal Step-by-Step Guide

Every bill can be disputed. Whether it's a medical bill with a coding error, an electric bill with a wrong meter read, a phone bill with unauthorized charges, or a contractor invoice for work that wasn't completed — you have the right to challenge any charge you believe is incorrect, unauthorized, or unfair.

The problem is that most people don't know how. They pay the wrong amount, absorb the overcharge, or spend hours on hold only to give up. The dispute process isn't complicated, but it does follow a specific sequence — and there are rules, deadlines, and escalation paths that make a real difference in whether you get a resolution.

This guide gives you a universal framework for disputing any type of bill, with specific escalation paths for each category and the exact federal and state laws that protect you.

When to dispute a bill

You should dispute a bill whenever you believe the amount is wrong. Here are the most common reasons:

Billing errors

• Math errors — line items don't add up to the total, tax is calculated on the wrong base amount, proration is incorrect.
• Duplicate charges — the same service, product, or fee appears twice.
• Wrong rate or price — you were charged a different amount than what was quoted, advertised, or agreed to in writing.
• Wrong quantity — billed for more units, hours, or items than you received.
• Charges for the wrong account — someone else's charges applied to your account (crossed meters, name confusion, system errors).

Unauthorized charges

• Services you didn't order — features, subscriptions, add-ons, or third-party services added without your consent.
• Charges after cancellation — billing continues for a service you've already cancelled.
• Fraudulent charges — someone else used your account or payment method.

Services not received or defective

• Service not provided — you were billed for a service that was never actually delivered.
• Service was defective — the service was provided but was substantially below the quality or specifications promised.
• Goods not delivered — you were charged for products that never arrived.

Contract violations

• Price increase without notice — the provider raised rates without the required advance notice.
• Terms changed unilaterally — the provider changed service terms, data caps, fees, or conditions without your agreement.
• Promotional rate not honored — the promotional price you were promised isn't reflected on your bill.

The key principle: if you believe a charge is wrong, you have the right to dispute it. You don't need to be 100% certain the charge is an error — you just need a reasonable basis for questioning it. The burden is on the company to justify the charge, not on you to prove it's wrong.

Step 1: Gather your evidence

Before you contact anyone, assemble your documentation. Having everything ready before you pick up the phone makes the process faster and your case stronger.

Step 2: Contact the company

Start with a phone call. Many billing errors are corrected with a single call when you present the facts clearly. Here's how to make the most of the call:

Before you call

• Have your account number, the specific bill in question, and all supporting documents in front of you.
• Know exactly what you're asking for: a credit, a refund, a rate correction, removal of a charge.
• Set aside at least 30 minutes — you may be on hold.
• Have a pen and paper ready to take notes.

During the call

• Record the call (if your state allows one-party consent recording). Or at minimum, take detailed notes.
• Get the rep's name and employee ID at the start of the call.
• Be specific about the error. State the exact charge, the line item number, the date, and the amount.
• State what resolution you want. "I need this $8.99 charge removed from this bill and all future bills, plus credits for the [X] months it was incorrectly charged."
• Ask for a reference number for the call and any promised adjustments.
• Ask for confirmation in writing — email or letter confirming the adjustment.

If the first rep can't help

• Ask for a supervisor. Frontline reps often have limited authority to issue credits above a certain amount.
• Ask for the "retention" or "loyalty" department. These departments have more authority and are more motivated to keep you happy — they're measured on customer retention, not call-handling speed.
• Ask for the billing department specifically. In large companies, billing disputes are handled by a dedicated billing team with specialized training.

Never lose your temper. Stay calm, factual, and persistent. "I understand this is frustrating for both of us, but I need this charge corrected because [specific reason]. What is the process for getting this resolved today?"

What to say on the phone

Here are proven scripts for the most common dispute scenarios. Adapt them to your specific situation:

General billing error

"Hi, I'm calling about my account [number]. I'm looking at my [month/date] bill and I've found an error on line [X]. It shows a charge of $[amount] for [description], but this charge is incorrect because [specific reason — e.g., 'I was quoted $49/month, not $59/month,' or 'this service was included in my plan,' or 'I never ordered this']. I need this charge removed and a credit issued for $[amount]. Can you take care of that for me today?"

Overcharge / wrong rate

"I signed up for [plan/service] on [date] at a rate of $[amount] per [month/unit]. My [month] bill shows a charge of $[higher amount] for this same service. I have my order confirmation showing the $[correct amount] rate. I need my bill adjusted to the correct rate and a credit of $[difference] for this billing period. If this has been wrong on previous bills, I'll need credits for those months as well."

Unauthorized charge / service you didn't order

"My [month] bill includes a charge of $[amount] for [service/product]. I did not authorize this charge and I did not order this service. I need this charge removed from my current bill, credits issued for any previous months it appeared, and this service cancelled so it doesn't recur. I'd also like a reference number confirming this change."

Charge after cancellation

"I cancelled my [service] on [date]. My cancellation confirmation number is [number / 'I was told by representative (name) on (date) that it was cancelled']. I'm still seeing a charge of $[amount] for this service on my [month] bill. I need all charges after [cancellation date] reversed and a refund processed for any amounts I've already paid after that date."

Service not received / defective service

"I was charged $[amount] for [service/product] on [date], but [the service was never provided / the product was never delivered / the service was substantially deficient because (reason)]. I need a full [credit/refund] for $[amount]. I have [documentation/photos/emails] showing [evidence of non-delivery or deficiency]."

If the rep says no

"I understand you may not be able to process this adjustment. I'd like to speak with a supervisor or someone in the billing department who has the authority to resolve this. I also want to note that if we can't resolve this today, my next step will be to file a formal written dispute and a complaint with [the applicable regulatory agency — FCC, state PUC, state insurance commissioner, CFPB, etc.]."

Step 3: Write a formal dispute letter

If the phone call doesn't fully resolve the issue, or if you want a paper trail from the start, send a written dispute. A written dispute is more powerful than a phone call for several reasons:

• It creates a legal record with a verifiable date.
• Under several federal laws (FCBA, FDCPA, FCRA), written disputes trigger specific legal obligations and timelines for the company to respond.
• It forces the company to assign the dispute to someone with resolution authority, rather than a frontline call center rep.
• If the dispute later escalates to a regulatory complaint or legal action, the written dispute letter is your primary evidence.

How to send it

Send your dispute letter via certified mail with return receipt requested (USPS). This gives you proof that the company received it and the date they received it — both of which matter for legal deadlines. Keep a copy of everything you send.

If the company has an online dispute portal, you can use that in addition to (not instead of) the certified mail letter. Online submissions are convenient but harder to prove in a legal context.

Dispute letter structure and template

An effective dispute letter has six parts. Keep it to one page if possible — concise and factual is more persuasive than long and emotional.

1. Your information

Your full name, mailing address, account number, phone number, and email address. Make it easy for them to find your account.

2. The specific charge you're disputing

State the exact charge: the date, the amount, the description as it appears on the bill, and the line item number if applicable. If you're disputing multiple charges, list each one separately.

3. Why it's wrong

Explain clearly and specifically why the charge is incorrect. Reference your contract, the quoted price, the applicable regulation, or whatever evidence supports your position. Be factual, not emotional.

4. What you want

State exactly what resolution you're requesting: a credit for $[amount], a refund of $[amount], removal of the charge going forward, a corrected bill, etc. Be specific about amounts and dates.

5. Supporting documentation

List every document you're enclosing (copies, never originals): the bill, your contract, your order confirmation, photos, previous correspondence, call log with dates and reference numbers, etc.

6. Deadline and next steps

Give a reasonable deadline for response (30 days is standard). State what you'll do if the dispute isn't resolved: "If I do not receive a satisfactory response within 30 days, I will file a complaint with [applicable regulatory body] and pursue all available remedies."

The tone of your letter matters. Be firm but professional. A letter that reads like a legal brief is taken more seriously than one that reads like an angry rant. Stick to facts, cite specific charges and amounts, and reference applicable laws or regulations where relevant.

Step 4: Escalate by bill type

If the company doesn't resolve your dispute after your phone call and written letter, the next step is to file a complaint with the regulatory body that oversees that type of company. Different bill types have different escalation paths.

Tips for filing regulatory complaints:

• Include all documentation from your previous attempts to resolve the dispute.
• State the specific resolution you want.
• Be factual and concise — regulators handle thousands of complaints.
• File with multiple agencies if appropriate (e.g., both the CFPB and state AG for a debt collection issue).
• The act of filing a regulatory complaint often prompts immediate resolution — companies have dedicated "executive relations" teams that handle regulatory complaints differently from regular customer service.

Your rights under federal law

Several federal laws give you specific rights when disputing bills. Knowing which law applies to your situation makes your dispute much stronger.

Fair Credit Billing Act (FCBA) — 15 U.S.C. 1666

The FCBA protects consumers who pay by credit card. It covers billing errors on credit card statements, including:

• Charges for goods or services you didn't accept or that weren't delivered as agreed
• Charges for the wrong amount
• Charges you need clarification or documentation for
• Math errors on your statement
• Charges that weren't posted to the correct account

Your rights under the FCBA:

• You must dispute in writing within 60 days of the statement date containing the error.
• The card issuer must acknowledge your dispute within 30 days.
• The card issuer must resolve the dispute within two billing cycles (no more than 90 days).
• While the dispute is being investigated, you don't have to pay the disputed amount, and the creditor cannot report it as delinquent.
• If the dispute is resolved in your favor, the charge and any related finance charges must be removed.

Fair Debt Collection Practices Act (FDCPA) — 15 U.S.C. 1692

The FDCPA applies when a bill has been sent to a third-party debt collector (not the original creditor). Key protections:

• Right to validation. Within 5 days of first contacting you, the collector must send you a written notice stating the amount of the debt, the name of the creditor, and your right to dispute. You have 30 days from receiving this notice to dispute the debt in writing.
• Dispute stops collection. If you dispute in writing within the 30-day window, the collector must stop all collection activity until they provide verification of the debt.
• No harassment. Collectors cannot call before 8 AM or after 9 PM, use abusive language, threaten actions they can't legally take, or contact you at work if you've told them not to.
• Cease communication. You can send a written "cease communication" letter requiring the collector to stop contacting you (though the debt may still be valid).

No Surprises Act (2022) — for medical bills

The No Surprises Act protects patients from surprise medical bills. Key provisions:

• No balance billing for emergency services, regardless of network status.
• No balance billing from out-of-network providers at in-network facilities (unless you gave written consent in advance).
• Right to a good-faith cost estimate before scheduled services.
• Right to dispute bills that exceed the good-faith estimate by $400 or more through the Patient-Provider Dispute Resolution (PPDR) process.

For more on medical bill disputes, see our medical bill checking guide and dispute letter template.

FCC Truth in Billing — 47 CFR 64.2401

Requires phone and internet companies to present charges clearly, identify third-party charges, and distinguish government fees from carrier-imposed fees. For details, see our phone and internet bill guide.

Electronic Fund Transfer Act (EFTA) — 15 U.S.C. 1693

If an unauthorized charge was made via debit card or electronic transfer:

• Notify your bank within 2 business days of discovering the error — your liability is capped at $50.
• Notify within 60 days of your statement — your liability is capped at $500.
• After 60 days — you may be liable for the full amount.
• The bank must investigate within 10 business days (20 for new accounts) and resolve within 45 days.

State-level protections

In addition to federal law, every state has consumer protection statutes that may give you additional rights. Common state-level protections include:

• Unfair and Deceptive Acts and Practices (UDAP) laws — every state has a version of this. They prohibit deceptive business practices and typically allow consumers to sue for damages plus attorney's fees. Some states allow treble (3x) damages for willful violations.
• State-specific billing rights — many states have laws specific to medical billing, utility billing, or telecom billing that go beyond federal protections. See our state-by-state guide for medical billing rights by state.
• Small claims court — every state has a small claims court system where you can sue for amounts typically up to $5,000–$10,000 without a lawyer. The filing fee is usually $25–$100. If a company refuses to correct a clear billing error, small claims court is a credible and inexpensive option.
• Cooling-off periods — some states give you 3–14 days to cancel certain contracts (especially door-to-door sales, home improvement contracts, and gym memberships) without penalty.

Protecting your credit during a dispute

One of the biggest concerns during a billing dispute is the impact on your credit score. Here's how to protect yourself:

While disputing a credit card charge (FCBA)

Under the Fair Credit Billing Act, the creditor cannot report the disputed amount as delinquent while the investigation is pending, as long as you disputed in writing within 60 days. Continue paying the undisputed portion of your bill.

While disputing a medical bill

Medical debt cannot be reported to credit bureaus until it's at least 365 days past due. Paid medical debt under $500 is no longer reported. If you have health insurance and the bill is in the insurer's processing pipeline, it should not be reported at all. If a medical debt does appear on your credit report while you're actively disputing it, you can file a dispute directly with the credit bureaus (Equifax, Experian, TransUnion).

While disputing a utility or telecom bill

Most states prohibit utilities from disconnecting service while a formal dispute is pending (as long as you're paying the undisputed portion). However, unlike credit card disputes, there's no federal law preventing a utility or telecom company from reporting the disputed amount to credit bureaus. To protect yourself: pay the undisputed portion, file your dispute in writing, and if the account is reported to credit bureaus, file a dispute with the bureaus directly.

If a bill goes to collections during a dispute

If a disputed bill is sent to a debt collector, respond immediately in writing. Under the FDCPA, you have 30 days from the collector's first contact to dispute the debt in writing. Once you do, the collector must cease collection activity until they verify the debt. If the debt appears on your credit report, dispute it with the credit bureaus — provide your documentation showing the amount is disputed.

Critical rule: always pay the undisputed portion of any bill on time. If your $200 bill includes a $50 charge you're disputing, pay $150 by the due date. This shows good faith, protects your credit on the undisputed amount, and strengthens your position on the disputed charge.

Keeping records and following up

The single most important thing you can do during a billing dispute is maintain organized records. Here's what to track:

Your dispute log

Create a simple log with these columns:

• Date — when you made contact or took action.
• Method — phone, email, certified mail, online form, regulatory complaint.
• Who — the name and employee ID/title of the person you spoke with.
• Reference number — any case number, ticket number, or confirmation number provided.
• What was said — a brief summary of the conversation and any promises made.
• Next step — what's supposed to happen next, and by when.

Documents to keep

• Every version of the bill in question (original and any corrected versions).
• Your contract, quote, or order confirmation.
• All correspondence — letters sent (keep copies), emails, chat transcripts.
• Certified mail receipts and return receipt cards.
• Screen captures of any relevant account pages, promotions, or rate schedules.
• Bank or credit card statements showing payments made.
• Regulatory complaint filing confirmations.

Following up

• Set calendar reminders. When someone promises a callback or resolution by a certain date, put a reminder in your calendar for the day after. If they don't follow through, call back and reference the previous commitment.
• Verify credits on the next bill. When a company promises a credit, don't assume it happened — check the next bill to confirm the credit actually appeared and the amount is correct.
• Verify the recurring charge stopped. If a charge was supposed to be removed going forward, check the next 2–3 bills to make sure it doesn't come back.
• Escalate on schedule. If you don't receive a response within the deadline you set in your dispute letter (typically 30 days), proceed to the next escalation step — don't wait indefinitely.

Last resort options

If all else fails — the company won't correct the error, the regulator's response was unsatisfactory, and the amount is significant — you still have options:

Small claims court

Small claims court is designed for exactly this kind of dispute. You don't need a lawyer, the filing fee is typically $25–$100, and the process is relatively simple. Most states allow claims up to $5,000–$10,000 (some higher). The company will usually send a representative, and a judge will hear both sides and make a ruling. Many companies settle before the hearing date rather than send someone to court.

Credit card chargeback

If you paid the disputed charge by credit card and the merchant won't cooperate, initiate a chargeback through your card issuer. Under the FCBA, your liability for unauthorized charges is limited to $50 (and most card issuers waive that). For charges involving goods or services not received or not as described, the FCBA also provides chargeback rights if the transaction was over $50 and within your home state or within 100 miles of your billing address (though many card issuers waive these geographic limits as a matter of policy).

State UDAP lawsuit

If the billing practice is truly deceptive (not just an error but a pattern of deception), you may have a claim under your state's Unfair and Deceptive Acts and Practices statute. Many UDAP laws allow consumers to recover attorney's fees, making it feasible to hire a consumer rights attorney on a contingency or fee-shifting basis.

Arbitration

Many service contracts include mandatory arbitration clauses. If your contract requires arbitration, you may need to go through that process rather than court. Read your contract carefully. Some arbitration clauses are unenforceable under state law, especially for small-dollar consumer claims.

Social media escalation

Large companies maintain social media customer service teams that monitor platforms like X (Twitter), Facebook, and Reddit. A public complaint that gets attention is often resolved faster than a private one. When posting publicly:

• Be factual and specific — "I've been billed $X for 6 months for equipment I returned, confirmation #12345, and 4 calls haven't fixed it" is effective.
• Tag the company's official support account.
• Don't post account numbers or personal details publicly — the company will ask you to DM those.
• Be professional — companies respond to factual complaints, not rants.

Executive email escalation

If regular customer service channels have failed, emailing the company's executive team directly can get results. Many large companies have a dedicated "executive relations" team that handles complaints directed to C-level executives. Search for the CEO's or CFO's email format (usually firstname.lastname@company.com) and send a concise summary of your dispute, what you've done to resolve it, and what resolution you're seeking. Keep it to one page.

Common mistakes that weaken your dispute

Avoid these pitfalls when disputing a bill:

• Being vague. "My bill is wrong" or "you're overcharging me" gives the company nothing to work with. Always cite specific charges, amounts, dates, and the reason the charge is incorrect.
• Losing your temper. Angry calls get you transferred, put on hold, or disconnected. Calm, factual persistence gets results. The rep you're talking to didn't create the error — they're just the person who can fix it.
• Not paying the undisputed portion. If your $200 bill has a $50 error, pay $150 on time. Withholding the entire payment harms your credit and weakens your position. It also gives the company a reason to send the account to collections, shifting the dispute from a simple billing correction to a debt collection battle.
• Missing deadlines. The FCBA gives you 60 days. The FDCPA gives you 30 days. Your state may have its own deadlines. Missing these deadlines doesn't mean you can't dispute, but it removes important legal protections.
• Not keeping records. Without a record of what was said, when, and by whom, your dispute becomes "he said, she said." Always take notes, get reference numbers, and save correspondence.
• Giving up too early. The first "no" is rarely the final answer. Ask for a supervisor, try a different channel, file a regulatory complaint. Many disputes are resolved on the second or third attempt.
• Accepting partial resolution. If the company offers to credit this month's overcharge but not the previous months, push back. "I appreciate the credit for this month, but this charge has been incorrect since [date]. I need credits for all affected billing periods."

Dispute timeline: what to expect

Here's a realistic timeline for a typical billing dispute:

• Day 1: Identify the error and gather documentation.
• Day 1–3: Call the company. Many errors are resolved in this call.
• Day 3–7: If the call didn't work, send a written dispute via certified mail.
• Day 7–37: Wait for the company's written response (30-day deadline).
• Day 37+: If no satisfactory response, file a regulatory complaint (FCC, PUC, CFPB, state AG, etc.).
• Day 37–67: Wait for the company's response to the regulatory complaint (typically 30 days).
• Day 67+: If still unresolved, pursue last-resort options (small claims court, chargeback, etc.).

In practice, most disputes are resolved in the first phone call or after the written dispute letter. Regulatory complaints resolve about 80–90% of remaining cases. Very few disputes need to go to small claims court.

The entire process rarely takes more than 60 days from start to finish. The most important thing is to start — every day you delay is another day you're paying for an error that shouldn't be on your bill.

Frequently asked questions

Can I dispute a bill I already paid?

Yes. Paying a bill does not waive your right to dispute it. You can request a refund for a charge you've already paid. For credit card charges, the FCBA gives you 60 days from the statement date, but many card issuers extend this in practice. For bills paid by other methods (check, ACH, debit), your right to dispute depends on the company's policies and applicable state law, but most companies will review disputes going back 6–12 months or more.

What if the company says the charge is correct and I disagree?

If you and the company genuinely disagree about whether a charge is valid, escalate to the appropriate regulatory body. Regulators investigate and make determinations — they don't just accept the company's word. If the regulatory process doesn't resolve it, small claims court is the next step. A judge will review both sides' evidence and make a binding decision.

Can disputing a bill hurt my credit score?

Not if you do it correctly. Continue paying the undisputed portion of every bill on time. Under the FCBA, a creditor cannot report a disputed credit card charge as delinquent during the investigation. For other types of bills, paying the undisputed portion protects your credit. If a disputed charge does appear on your credit report, dispute it directly with the credit bureaus.

Is there a time limit for disputing a bill?

Different laws have different time limits:

• FCBA (credit cards): 60 days from the statement date.
• FDCPA (debt collectors): 30 days from the collector's first notice.
• EFTA (debit/ACH): 60 days from the statement date for full protection.
• State utility commissions: Varies by state, typically 1–3 years.
• General contract disputes: Your state's statute of limitations for contract claims, typically 3–6 years.

Earlier is always better. File your dispute as soon as you discover the error.

Do I need to hire a lawyer?

Almost never for a billing dispute. The regulatory complaint processes (FCC, PUC, CFPB, state AG) are designed for consumers to use without legal representation. Small claims court is designed for self-representation. The only time a lawyer might be worth it is if: the dispute involves a very large amount ($10,000+), the company has engaged in willful deception that might warrant damages beyond the overcharge amount, or the issue affects many consumers and might warrant a class action.

What if the company retaliates by cutting off my service?

For regulated utilities (electricity, gas, water), your state PUC prohibits disconnection during an active dispute as long as you're paying the undisputed portion. If a utility disconnects you during a dispute, file an emergency complaint with the PUC. For unregulated services (cable, internet, cell phone), the protections are weaker, but paying the undisputed portion and maintaining good faith in the dispute process makes retaliation unlikely and actionable if it occurs.

What if the error is in my favor — am I obligated to report it?

Legally, if a company undercharges you, they generally have the right to correct the error and bill you for the difference (subject to back-billing limits in some industries). You're not committing fraud by not proactively reporting an error in your favor, but the company can correct it once they discover it. If you notice an error in your favor, it may be in your interest to report it on your own timeline rather than being surprised by a large true-up bill later.

Bill type quick reference

Here's a quick reference for the most common error types and escalation paths by bill category:

Medical bills

• Most common errors: Duplicate charges, upcoding, unbundling, balance billing violations, wrong CPT codes
• Your guide: How to Check Your Medical Bill for Errors
• Escalation: Provider billing department, then insurance company, then state insurance commissioner, then CMS No Surprises Helpline (1-800-985-3059)
• Key law: No Surprises Act (2022), state balance billing laws

Utility bills (electric, gas, water)

• Most common errors: Estimated reads, wrong rate schedule, crossed meters, expired surcharges
• Your guide: How to Check Your Utility Bill for Errors
• Escalation: Utility customer service, then state PUC/PSC, then state AG
• Key law: State PUC tariff regulations, state consumer protection statutes

Phone, internet, and cable bills

• Most common errors: Cramming, billing after cancellation, wrong plan rate, equipment rental for returned devices
• Your guide: How to Check Your Phone or Internet Bill for Errors
• Escalation: Carrier customer service/retention, then FCC informal complaint, then state AG
• Key law: FCC Truth in Billing (47 CFR 64.2401), SCRA (military), state consumer protection

Credit card and banking charges

• Most common errors: Unauthorized charges, double charges, charges for returned items not credited
• Escalation: Card issuer dispute department, then CFPB complaint
• Key law: Fair Credit Billing Act (15 U.S.C. 1666), Electronic Fund Transfer Act (15 U.S.C. 1693)

Insurance bills (auto, home, life)

• Most common errors: Wrong coverage tier, missing discounts, premium increase without notice, coverage not cancelled when requested
• Escalation: Insurer's billing department, then state insurance commissioner
• Key law: State insurance regulations, state UDAP statutes

Subscription services

• Most common errors: Free trial converting to paid without notice, billing after cancellation, price increases without notice
• Escalation: Company support, then credit card chargeback, then FTC complaint (for deceptive subscription practices), then state AG
• Key law: FTC Negative Option Rule, Restore Online Shoppers' Confidence Act (ROSCA), state auto-renewal laws

Contractor and home service invoices

• Most common errors: Charges exceeding the estimate by more than the agreed percentage, charges for work not performed, unauthorized change orders
• Escalation: Direct negotiation, then state contractor licensing board, then small claims court
• Key law: State contractor licensing laws, state lien laws, contract law

Related resources

• How to Check Your Medical Bill for Errors (Step-by-Step)
• How to Check Your Utility Bill for Errors (Electricity, Gas, Water)
• How to Check Your Phone or Internet Bill for Errors
• Medical Bill Dispute Letter: Free Template + What to Say
• How to Read an Itemized Medical Bill (Every Field Explained)
• The Complete Guide to Medical Billing Errors
• State-by-State Billing Rights
• Bill Math Checker
• Dispute Letter Generator