YOUR INPUTS. YOUR PLAN.

Tools you can inspect.

All dollar amounts are USD. Use consistent periods and actual quotes. No input is sent to our application or saved by it.

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Resale profit & ROI

Count fees, shipping and the time you spend on a sale. Use the marketplace's actual fee basis and adjust your input if its rules differ from this simplified model.

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Editable fee comparison

Compare two hypothetical fee structures using current quotes or official seller terms. Both rates start blank: this site does not publish marketplace fee rates.

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Minimum sale-price planner

Work backward from all non-fee costs and your chosen profit target. This does not establish what a buyer will pay.

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Before-you-buy sourcing checklist

A local-only inspection aid. All boxes checked does not establish safety, authenticity or legal saleability.