Free to share and cite

Free reseller resources for creators, blogs, newsletters, and seller communities.

Link directly to any of these free resources when they are useful to your audience. No account is required to use the tools below.

Free reseller tools worth bookmarking.

Marketplace Fee & Profit Calculator

Compare estimated fees, shipping, margin, ROI, and net profit across editable marketplace assumptions.

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Poshmark Profit Calculator

Estimate Poshmark profit using editable fee and shipping assumptions.

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eBay Fee & Net Profit Calculator

Estimate eBay fees, promoted listing cost, shipping, item cost, margin, and net profit.

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Maximum Buy Price Calculator

Work backward from expected sale price to a maximum sourcing cost.

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Sell-Through Rate Calculator

Use sold and active comparable counts as a transparent demand proxy.

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Free Inventory Template

Download a CSV starter sheet for SKU, cost, storage, marketplace, and sale data.

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Guides you can reference in reseller content.

Simple linking guidance

Direct links are welcome

You may link directly to a tool or guide instead of sending readers through the homepage.

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