The Customer Disputes What Was Agreed: Decision Tree

Why this matters

"That's not what we agreed to" is the moment a routine job becomes a risk event. Handled with the record in front of you, most of these end in two minutes. Handled from memory and emotion, they turn into chargebacks, bad reviews, and unpaid receivables that cost far more than the disputed work. The deciding factor is almost never who is louder. It is who can show what was actually agreed, and whether the dispute is about price, scope, quality, or a genuine misunderstanding. This tree walks you from the first sentence to a path that protects the relationship and the company's right to be paid.

Start here: pull the record before you say anything

Before you defend a number or a scope, find out what you can actually prove. The dispute will be decided by documentation, so look at yours first.

• Is there a signed scope or estimate? Pull it up.
• Is there a written confirmation, a text, an email recap, an approved change order?
• Are there photos of the condition and the work?
• What does the record actually say versus what the customer is claiming?

You cannot pick a path until you know whether you are holding a strong hand or a weak one. Look before you talk.

First, identify which kind of dispute this is

Every "we didn't agree to that" is really one of four things, and each has a different remedy. Listen for which one before you respond.

• Price. "You charged more than you said." Usually a firm-vs-estimate or a scope-growth issue.
• Scope. "I didn't ask you to do that part." A disagreement about what was included.
• Quality. "This isn't done right." A workmanship claim wearing a billing costume.
• Misunderstanding. Both sides were honest and simply heard different things.

Name it out loud to yourself. Applying the price remedy to a quality complaint, or vice versa, just escalates it.

If the record clearly supports the charge

You have a signed scope or a written approval that matches the bill, and the dispute is a misunderstanding or buyer's remorse.

1. Stay calm and walk them through it. Show the signed line, the approval text, the photo. Not as a gotcha, as a reminder of what was agreed.
2. Let them save face. "It's easy to lose track of what got added, here's where you approved it" beats "you signed this, end of story."
3. Most disputes end here. The record settles it and the customer pays.
4. If they still refuse a charge the documentation plainly supports, stop negotiating from the field and hand it to whoever owns collections. Do not threaten liens or legal action yourself.

If the dispute is about quality, not price

The objection is really about workmanship. Do not argue the bill; fix the work.

1. Separate the two questions. Quality is a warranty matter. The billing question waits.
2. Go look at it. A genuine defect is yours to correct. Treat it as a callback.
3. Once the work is right, the billing conversation is almost always easy, because the real grievance is gone.
4. If the "defect" is actually the customer wanting more than was scoped, that is a scope dispute, not a quality one. Route it back accordingly.

If the record is thin or missing

This is the hard branch, and the honest one. You did the work, but there is no signed scope, no written approval, only your memory of a verbal agreement.

1. Accept the weak position. Without documentation, "your word against theirs" genuinely cuts both ways, and a chargeback or small-claims process may not go your way.
2. Reconstruct what you can. Any text, any note, any photo, the original estimate even if unsigned. Partial records beat none.
3. Lead with resolution, not principle. A reasonable settlement on a poorly documented job is often cheaper than a fight you might lose. Decide what the relationship and the recoverable amount are worth.
4. Learn the lesson loudly. This is the dispute the signed scope and the confirmation email exist to prevent. See related: The Signed Scope That Prevents the Dispute.

If it was paid by card, watch the clock

A card payment changes the urgency, because the customer can file a chargeback and shift the burden to you.

• Preserve the authorization and proof of completion immediately. The response window is short.
• Try to resolve directly first. A chargeback is worse for both sides than a phone call.
• Get the documentation package to the office now, not next week. Representment is won with the signed scope, the approval, and the completion photos.

Recap: the order to run

1. Pull the record before you speak.
2. Identify the dispute type: price, scope, quality, or misunderstanding.
3. Record-supports-charge: walk them through it calmly; most end here.
4. Quality claim: fix the work, separate it from billing.
5. Thin record: reconstruct, lean toward resolution, learn the lesson.
6. Card payment: preserve proof now, escalate to the office fast.
7. Never threaten liens or legal action from the field.

References

• Fair Credit Billing Act and card-network chargeback rules, which govern billing-error claims and the merchant response window
• Your state's mechanic's lien and prompt-payment statutes, which set lien rights and notice timing if a legitimate charge goes unpaid (procedures vary by state)
• Your company's signed-scope, authorization, and dispute-handling policy
• See related: Customer Disputes The Invoice After Completion (decision tree); The CYA Email After a Verbal Agreement