TOOLOO / COMMERCE

Business & commerce, every amount accounted for

Advertising metrics, ROAS, marketplace fees, and pricing. Every tool puts the formula, the fee base, and the assumptions on screen, because commerce numbers usually go wrong through the wrong base rather than bad arithmetic.

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Why marketplace rates are not built in

Marketplace fees vary by plan, category, promotion, and date, and change often. A built-in table with no version or source would silently produce wrong answers after the next change, and nobody would notice. So every rate is entered from your own seller dashboard. For the same reason the ROAS tool always asks for gross margin: ROAS only looks at revenue, and without margin there is no way to tell profit from loss — which is exactly where it is most often misread.