🧮 Interactive tool

Calculator

Estimate resale profit instantly using the standalone calculator converted from your original JSX component.

Calculator inputs

Enter the numbers you know, select a category and condition, then use the results to pressure-test the deal.

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If checked, shipping is treated as fully passed through to the buyer. If unchecked, shipping remains part of your cost.

Net profit
$0.00
ROI
0.0%
Margin
0.0%

Cost breakdown

eBay fee 13.25%

Total out$0.00
Payment processing$0.00
Net profit$0.00

Suggested list prices

Based on item condition
Minimum (break even +15%) $0.00
Target (35% ROI) $0.00

Use these as starting points, then compare against recent sold comps for your specific model and bundle.

Enter your buy and list price to reveal your full resale margin breakdown.

What is included in the math

Item cost, eBay category fee, estimated payment processing fee, optional shipping burden, and any extra costs you enter.

How to use the result

Look at ROI and net profit together. A good-looking spread can still be weak after shipping and fee drag are included.

Best use case

This tool works best as a fast screening calculator when sourcing used electronics, accessories, and repairable lots.