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Professional Seller Tools
Calculate fees, analyze ROI, and optimize your e-commerce business with our suite of free professional-grade calculators.
Amazon Fee Calculator
Calculate FBA fees, referral fees, and storage costs. Updated with 2025 fee structure.
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eBay Fee Calculator
Calculate final value fees, payment processing, and store subscription costs.
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ROI Calculator
Calculate return on investment, profit margins, and payback period for your business.
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Manual calculations are costing you money.
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Today's Profit
$2,847.50
+34.2%
Recent Sales
Jordan 1 Retro High
Amazon • Fees: $42.30
Nike Dunk Low Panda
eBay • Fees: $18.20
Yeezy Slide Onyx
StockX • Fees: $28.50