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Seller profit, fees and pricing

Know the numbers behind every sale.

Use free UK seller calculators to compare marketplace fees, net profit, margin, break-even price, shipping decisions and ad returns before you list.

Compare marketplacesBrowse calculators
18 launch toolsSource-backed fee scenariosNo login needed
SellerEconomics marketplace profit comparison dashboard
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Reach the right calculator in one click.

CompareMarketplace compare

Compare the same product across Etsy, Amazon, eBay, TikTok Shop and Shopify using the current UK scenario profiles.

OpenMarketplaceEtsy UK profit

Estimate net profit, margin and break-even price for a standard Etsy UK order.

OpenMarketplaceAmazon FBA profit

Estimate an Amazon UK FBA-style profit scenario, with fulfilment costs entered manually by the seller.

OpenMarketplaceeBay UK profit

Estimate profit for the current eBay UK business-seller Crafts category scenario.

OpenMarketplaceTikTok Shop profit

Estimate seller profit for a standard TikTok Shop UK platform commission scenario.

OpenMarketplaceShopify profit

Estimate profit for a Shopify UK Basic plan online standard card checkout scenario.

Open
Phase 3 verified fee scenarios

Enter one product. Compare the economics everywhere.

This first calculator shell establishes the input pattern, result hierarchy and marketplace comparison table the full toolset will reuse.

Product scenarioStandard marketplace sale
Best current resultShopify

£16.25 profit per sale at 46.4% margin.

Strong margin

This price clears the target margin after visible costs and marketplace fees.

30% target price: £26.54

Fee profiles are source-backed UK scenarios. Amazon and eBay still need category-specific selection before they can be treated as universal.

Marketplace comparisonEstimated profit per sale
Etsy UK£13.01
Standard domestic order
Fees£4.19
Total cost£21.99
Margin37.2%
StatusStrong margin
ROI73.1%
Break-even£20.39
Fee assumptions
  • Transaction fee£2.28
  • Payment processing percentage£1.40
  • Payment processing fixed fee£0.20
  • Listing fee allocation£0.15
  • UK regulatory operating fee£0.17

Verified scenario - Reviewed 2026-08-15

Etsy UK£7.76
Standard domestic order with Offsite Ads scenario
Fees£9.44
Total cost£27.24
Margin22.2%
StatusWorkable profit
ROI43.6%
Break-even£24.52
Fee assumptions
  • Transaction fee£2.28
  • Payment processing percentage£1.40
  • Payment processing fixed fee£0.20
  • Listing fee allocation£0.15
  • UK regulatory operating fee£0.17
  • Offsite Ads scenario£5.25

Needs category selection - Reviewed 2026-08-15

Amazon FBA£11.95
Everything Else referral fee; fulfilment entered as shipping cost
Fees£5.25
Total cost£23.05
Margin34.1%
StatusStrong margin
ROI67.1%
Break-even£20.94
Fee assumptions
  • Referral fee£5.25

Needs category selection - Reviewed 2026-08-15

Amazon FBA£1.45
Device Accessories referral fee; fulfilment entered as shipping cost
Fees£15.75
Total cost£33.55
Margin4.1%
StatusThin margin
ROI8.1%
Break-even£32.36
Fee assumptions
  • Referral fee£15.75

Needs category selection - Reviewed 2026-08-15

Amazon FBA£13.70
Beer, Wine and Spirits referral fee; fulfilment entered as shipping cost
Fees£3.50
Total cost£21.30
Margin39.1%
StatusStrong margin
ROI77.0%
Break-even£19.78
Fee assumptions
  • Referral fee£3.50

Needs category selection - Reviewed 2026-08-15

Amazon FBM£11.95
Everything Else referral fee; seller fulfils order
Fees£5.25
Total cost£23.05
Margin34.1%
StatusStrong margin
ROI67.1%
Break-even£20.94
Fee assumptions
  • Referral fee£5.25

Needs category selection - Reviewed 2026-08-15

Amazon FBM£1.45
Device Accessories referral fee; seller fulfils order
Fees£15.75
Total cost£33.55
Margin4.1%
StatusThin margin
ROI8.1%
Break-even£32.36
Fee assumptions
  • Referral fee£15.75

Needs category selection - Reviewed 2026-08-15

Amazon FBM£13.70
Beer, Wine and Spirits referral fee; seller fulfils order
Fees£3.50
Total cost£21.30
Margin39.1%
StatusStrong margin
ROI77.0%
Break-even£19.78
Fee assumptions
  • Referral fee£3.50

Needs category selection - Reviewed 2026-08-15

eBay UK£12.16
Business seller, Crafts category
Fees£5.04
Total cost£22.84
Margin34.7%
StatusStrong margin
ROI68.3%
Break-even£20.98
Fee assumptions
  • Crafts final value fee£4.52
  • Per-order final value fee£0.40
  • Regulatory operating fee£0.12

Verified scenario - Reviewed 2026-08-15

eBay UK£13.21
Business seller, Books, Comics and Magazines category
Fees£3.99
Total cost£21.79
Margin37.7%
StatusStrong margin
ROI74.2%
Break-even£20.28
Fee assumptions
  • Books final value fee£3.47
  • Per-order final value fee£0.40
  • Regulatory operating fee£0.12

Verified scenario - Reviewed 2026-08-15

eBay UK£12.51
Business seller, Clothes, Shoes and Accessories category
Fees£4.69
Total cost£22.49
Margin35.8%
StatusStrong margin
ROI70.3%
Break-even£20.74
Fee assumptions
  • Clothes final value fee£4.17
  • Per-order final value fee£0.40
  • Regulatory operating fee£0.12

Needs category selection - Reviewed 2026-08-15

eBay UK£12.86
Business seller, Antiques category
Fees£4.34
Total cost£22.14
Margin36.8%
StatusStrong margin
ROI72.3%
Break-even£20.51
Fee assumptions
  • Antiques final value fee£3.82
  • Per-order final value fee£0.40
  • Regulatory operating fee£0.12

Verified scenario - Reviewed 2026-08-15

TikTok Shop£14.05
Standard platform commission
Fees£3.15
Total cost£20.95
Margin40.1%
StatusStrong margin
ROI78.9%
Break-even£19.56
Fee assumptions
  • Platform commission£3.15

Verified scenario - Reviewed 2026-08-15

Shopify£16.25
Basic plan online standard card
Fees£0.95
Total cost£18.75
Margin46.4%
StatusStrong margin
ROI91.3%
Break-even£18.42
Fee assumptions
  • Online standard card rate£0.70
  • Online standard card fixed fee£0.25

Verified scenario - Reviewed 2026-08-15

Marketplace paths

Choose the channel before you choose the price.

Each marketplace path starts with a practical profit calculator and keeps the current fee-source status visible.

Etsy UK

Profit, fees, listing allocation and regulatory operating fee scenario.

Open pathAmazon UK

FBA and FBM entry points with category-specific fee caveats visible.

Open patheBay UK

Business seller Crafts scenario with final value and order fees.

Open pathTikTok Shop UK

Standard platform commission scenario for social commerce listings.

Open pathShopify UK

Direct checkout profit with Basic plan online card payment fees.

Open path
Tool directory

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Guide entry point

Read practical guides that connect back to the tools.

The guide library turns calculator results into seller decisions: what to check, what to ignore, and when a price needs another pass.

How to compare Etsy, eBay and Shopify profitWhen free shipping helps or hurts marginHow to find your break-even sale price
Comparison pages

Compare marketplace fees side by side.

Read worked examples for Etsy, Shopify, eBay, Amazon and TikTok Shop, then jump into the calculator that matches your next listing decision.

Browse comparisons
Fee updates

Fee data is visible, dated and ready to govern.

The first UK fee source log is in place. Production calculators show whether each profile is a verified scenario or still needs category selection.

View calculator sources
Email readiness

Fee update list

Prepared for a future fee update mailing list. The V1 site does not collect email addresses or require a database.

No email capture is active until a provider, consent copy and privacy wording are configured.Contact pre-launch