Paper / envelopes
- Fill and label envelopes.
- Remove cash or add a note.
- Count what remains Sunday.
- Reconstruct unclear non-cash activity.
A paper process, spreadsheet, expense tracker, and category-based application handle one invented week in four distinct ways.
Amounts are neutral illustrations, not allocation guidance.
Each lane begins with the same fictional Monday–Sunday sequence.
Fill envelopes.
Add inflow row.
Capture activity.
Set category purposes.
Update physical amounts.
Maintain categories.
Receive and classify.
Category state changes.
Compare with notes.
Inspect totals and formulas.
Fix omissions and duplicates.
Then revisit categories.
No winner: the comparison describes maintenance patterns only.