Marketplace Profit Calculator
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Showing results for $29.99 item
Decision Summary
Shopify gives you the highest net profit at $14.92 (49.8% margin).
That's $4.83 more per sale than Poshmark — over 100 sales that's $482.83 difference.
Estimates Only — Fees Change Frequently
Results use default marketplace fee assumptions (Version 2026-04 · US · Last reviewed: 2026-04-12). Platform fees are subject to change without notice and vary by category, item subcategory, seller tier, region, payment method, and promotional periods. Always verify with your platform's current fee schedule before listing.
ProfitLayer reviews fee data quarterly. Last full review: 2026-04-12. Spotted an error? Let us know.