The double loss: why an hour of rework costs more than an hour
One hour, counted once
When a person is pulled off delivery to handle a return, investigate a complaint or redo work that was already done, most organisations count the cost once. The hour was paid for, so an hour of salary and overhead is recorded, and the matter is closed.
That is half the figure.
The hour was already committed to something. It was going to produce the output the organisation sells. Correcting an error consumes the hour twice: once as cost incurred, once as margin forgone. Only the first half is visible in any ledger.
Why it stays invisible
Lost time has no natural home in a chart of accounts. Damaged goods have a code. Overtime has a code. An operations manager spending Thursday afternoon reconstructing what went wrong on Tuesday has no code at all — the salary is booked to the department regardless of what the afternoon contained.
So the cost is not hidden by anyone. It is hidden by the structure of the accounts.
The signature to look for
Three phrases, heard in sequence, are the reliable indicator that this is happening at scale:
"It keeps happening."
>
"I keep telling them."
>
"How do we stop the cycle?"
The third question is the useful one, and it is rarely the one being asked.
What to measure instead
- Track hours lost, not only units affected. Output measures will never surface the time spent restoring output.
- Give lost hours a code. If it cannot be booked, it cannot be counted, and if it cannot be counted the improvement case cannot be made.
- Separate correction from investigation. They are different activities with different causes, and merging them conceals which one is growing.
- Watch for the dedicated role. The moment an organisation creates a post whose whole purpose is handling returns, complaints or rework, the cost has become permanent and has stopped being visible as a loss at all.
The uncomfortable part
An organisation that becomes efficient at correction gets better at absorbing failure. Recovery times improve, customers stop complaining, and the numbers on the operational dashboard look healthier every quarter.
Nothing about the underlying failure rate has changed. The organisation has simply become skilled at paying for it.
OE-004 · v1 · Published 2 September 2026