Document economy assumptions
The problem
A balancing spreadsheet is only useful when another designer can reproduce it.
Practical procedure
Record units, starting stock, production timing, upkeep timing, upgrade order and whether fractional resources exist.
Worked scenario
Paying upkeep before production can produce a temporary shortage that disappears when the order is reversed.
Acceptance check
Create one worked example and assert that the tool reproduces its exact turn-by-turn ledger.
Apply the method
Use the related interactive tool to try the concept on an inspectable example. Record the starting assumptions and expected result before changing settings, then compare what the tool actually does. Where the result differs, keep the release marked experimental and document the discrepancy.
Further reading: Relevant primary technical documentation. This guide is an educational procedure, not a substitute for independent usability or compliance review.