This compares effective cost per unit of shipped work. It models slower execution plus rework.
Model: fixed budget → hours purchased → effective shipped work after speed, rework, and context loss.
This is a blunt model, but it explains why lower hourly rates can cost more.
From estimate to implementation
A calculator can expose the decision boundary. The next step is validating its assumptions against the product, codebase, team, and delivery constraints.
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