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A Quote That Survives a Dispute
Most quotes are a description of the work in one line and a number underneath. The number is never what the argument is about. The argument is about what the line meant.
For a software-side reference alongside this discussion of pre-work decisions, contracts, and small-business administration, Monitask provides guidance on cognitive offloading.
What a dispute actually looks like
Nobody says "I am not paying".
They say the work was not what they expected, or that something they assumed was included was not, or that they never agreed to the extra. Each of those is a disagreement about the description, and the description is the part of the quote that took the least effort to write.
Which means the quote is not a price list. It is the document that will be read aloud when there is a disagreement, and it should be written with that reading in mind.
The seven things
One. What is included, in specifics. Not "kitchen rewire" but the rooms, the circuits, the fittings, the number of outlets. Specifics take twenty minutes and remove the entire category of argument about what "kitchen rewire" covered.
Two. What is explicitly not included. The single most valuable paragraph in any quote and the one most often missing. Making good after the work. Removing the old units. Decorating. Anything behind a wall that turns out to be different from what was visible.
Three. What the price depends on. Assumptions, stated: access at particular times, the existing installation being as described, materials being available at current prices. An assumption that is written down is a condition. An assumption in your head is a surprise for the customer.
Four. What happens if something changes. The variation process, in one sentence: work outside this description is quoted separately and agreed in writing before it starts.
Five. The payment terms, stated here rather than appearing later on the invoice.
Six. How long the quote is valid. Material prices move; a quote from four months ago that somebody accepts today is a problem you created by not putting a date on it.
Seven. Who the quote is addressed to. The legal entity, spelled correctly — not "John" but the company name, because that is who owes the money.
What to do about the ones you cannot specify
Some jobs genuinely cannot be described precisely in advance, because nobody knows what is behind the wall.
Say so, in the quote. "This price assumes the existing wiring is as described. If it is not, work stops and a revised quote is issued before continuing."
That sentence does three things: it prices the risk honestly, it warns the customer that a surprise is possible, and it establishes what happens when one occurs.
The alternative — quoting a firm price on an unknown and absorbing the difference — is how small firms do unpaid work at scale, and it is invisible in the accounts because it appears as a job that made less than expected rather than as a loss.
The two prices problem
Where a customer asks for a cheaper version, quote it as a separate document rather than discounting the first.
A discount teaches the customer that your first number was not the real one, and it invites the same conversation on every future job. Discounts have a page of their own.
A second quote with less in it is a different proposition, honestly priced, and it puts the choice where it belongs: with the customer, over scope, rather than with you, over margin.
It also produces a document showing what they chose not to buy, which settles the conversation that otherwise arrives when the cheaper option turns out to exclude something they wanted.
Length and readability
A defensible quote is longer than a lazy one and shorter than a contract.
One page for a small job. Two or three for a substantial one. Beyond that, people stop reading, and a term nobody read is a term that will be disputed.
Put the exclusions where they will be seen, not in small print at the bottom. A customer who is surprised at the end will say they did not see it, and on a badly laid out document they will be telling the truth.
Getting it accepted
Acceptance in writing. An email saying "yes please, go ahead" referring to the quote by number or date is sufficient in most circumstances and is the point at which the exchange becomes an agreement.
A verbal go-ahead followed by an email from you — "confirming you have asked me to proceed on the basis of quote 214 dated the 3rd" — achieves the same and takes a minute.
Without either, you have a quote and a hope.
What this costs you
Twenty minutes per quote, and some jobs.
A customer who wanted a vague quote so they could argue later will go elsewhere, and that is a good outcome disguised as a lost sale.
A customer who reads the exclusions and asks about one is doing exactly what the document is for. Those conversations happen before the work rather than after it, which is the whole point.
Revising a quote
A quote that is superseded should be numbered and dated so that the replaced one is unambiguous.
"Quote 214b, replacing 214 dated 3 March" removes the argument about which document governs, and that argument arises more often than it should on jobs where the scope moved before the work began.
Keep the superseded versions. They show how the scope developed, and if a customer later claims something was included, the sequence of documents is the answer.
The short version
- Disputes are about the description, not the price, and the description is the part written with least effort
- Seven things: what is included in specifics, what is excluded, what the price assumes, what happens if things change, the terms, the validity period, and the correct legal entity
- The exclusions paragraph is the most valuable and the most often missing
- Where the job genuinely cannot be specified, write the assumption and state that work stops and a revised quote is issued
- Quoting firm prices on unknowns is how small firms do unpaid work at scale, and it shows as a disappointing job rather than a loss
- Get acceptance in writing referring to the quote, or confirm a verbal go-ahead by email yourself
For broader background on pre-work decisions, contracts, and small-business administration, see Wave.