The Unpaid Cost Of One Last Change
The phrase arrives at six in the evening and sounds harmless. One last change. The work it triggers is never last, and is almost never one.
A late change is rarely confined to the thing being changed. The file reopens, the edit has to be re-exported, the versions have to be re-checked against the ones already approved, and somebody has to make sure the change did not break the four other formats that were built from the original.
Why it never appears on an estimate
Because it is requested conversationally and absorbed conversationally. Nobody raises a change order for a word, a shade or a two-frame trim, and the cumulative effect of a hundred of those is an entire unbilled workstream that exists only in the evenings of the people doing it.
Agencies collude in this. Absorbing small changes without comment is how a team signals that it is easy to work with, and being easy to work with is genuinely valuable. The problem is that the currency being spent is time that was never priced, so nobody can see the account going into deficit.
The change costs the client nothing and the agency an evening, which is exactly why it keeps being asked for.
The cost that is not money
Craft is the first casualty. A late change is made under time pressure by whoever is still online, without the second look that caught the last error. The work does not get worse dramatically; it gets worse slightly, in ways only the people who made it can see.
The second casualty is trust in the sign-off itself. When approved does not mean finished, teams stop treating approval as a milestone and start holding a reserve of energy back for the changes they know are coming. That reserve is taken out of the work in the middle of the schedule, where it would have done the most good.
What a functioning version looks like
Not a refusal. Agencies that try to price every small change end up in an argument they cannot win and should not pick. What works is visibility: a running note of what changed after approval, shown at the end of the project, not as a bill but as a fact.
Most clients have no idea. They asked for a word. They were never told it cost an evening, and a surprising number of them adjust once they are.
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