A Client Retainer Tracker in Google Sheets: Banked Hours, Rollover Caps, and Overage Billing
Build a Google Sheets retainer tracker that calculates hours used, rolls over unused hours up to a cap, and bills overage automatically.
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A Debt Payoff Calculator in Google Sheets: Snowball vs. Avalanche with a Rolling Extra-Payment Formula
Build a Google Sheets calculator that ranks debts by snowball or avalanche order and rolls freed-up minimum payments into the next target automatically.
Building a Break-Even Calculator in Google Sheets: Contribution Margin and a What-If Table
How to build a break-even calculator in Google Sheets using contribution margin formulas, plus an ARRAYFORMULA sensitivity table for price and cost changes.