MARKETPLACE COMPARISON ENGINE

One SKU. Five marketplaces. One decision.

Enter the same product economics once and compare modeled contribution profit across Amazon, Shopify, Etsy, eBay and TikTok Shop.

Product economics

Selling price ($)

Customer shipping ($)

COGS ($)

Seller shipping ($)

Fulfillment ($)

Other operating cost ($)

Return rate (%)

Orders / month

Marketplace assumptions

These are editable comparison assumptions, not universal fee claims. Confirm current category, country, plan and seller-program rates before making a commercial decision.

AmazonReferral %Other / order $

ShopifyPayment %Fixed / order $

EtsyVariable %Fixed / order $

eBayFinal-value %Fixed / order $

TikTok ShopReferral %Other / order $

Comparison results

Metric	Amazon	Shopify	Etsy	eBay	TikTok Shop

Best modeled profit

Highlights the channel with the highest contribution profit under the assumptions entered.

Same-SKU comparison

Common product economics remain constant so the marketplace difference is easier to understand.

Not a guarantee

Actual taxes, fee tiers, refunds, ads, fulfillment and seller-specific terms can change the outcome.