One row a day. Enter sales rung up, the M-Pesa Till total, the cash you counted and any card takings; the sheet totals what landed and compares it to what you should have collected. A red SHORT means money is missing — investigate that day. The Dashboard totals your sales, what actually landed, the net difference, the number of short days, the total shortfall and your worst single day.
It's the daily discipline that separates shops that leak cash from shops that don't — with the maths done for you and the formulas locked. Opens in Excel or Google Sheets; reconcile from your phone at closing time.
Want the M-Pesa Till total pulled in for you? Biashara Yangu reads your M-Pesa statement automatically, free.