Decision engine

Start with one workflow, then move only when the result supports the next decision.

Which Platform Should I Sell On?

Enter your product details once and see profit compared across Shopify, Amazon, Etsy, eBay, and your own store. Rankings update instantly so you can pick the platform that maximizes your margin.

Product Details

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Currency

Platform Rankings

Sorted by profit per unit (best first)

Close Call

Platforms are close — other factors (traffic, effort) should decide

🥇

Shopify

Fee: $1.17

$16.83

56.1% margin

🥈

Own Store

Fee: $1.17

$16.83

56.1% margin

🥉

Etsy

Fee: $3.30

$14.70

49.0% margin

#4

eBay

Fee: $3.98

$14.03

46.8% margin

#5

Amazon

Fee: $8.00

$10.00

33.3% margin

Recommendation

Shopify gives you the best margin at this price point.

Next decision: acquisition limit

Current modeled impact: $841.50

You have a stronger channel candidate. Calculate how much you can safely spend to acquire a customer.

How it works

This calculator applies each platform's published variable fee structure to the same product economics, so you can compare net profit per unit across all five channels on a like-for-like basis.

The result is a clean profitability ranking, not a traffic forecast. If the top-ranked platform still shows weak contribution margin, fix the economics before making a channel decision.

Key Terms

Related Guides

Next Decision

Keep moving through the operating model instead of treating this tool as a one-off calculation.

Calculate Max CAC

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