Platform / Marketplace profitability
storefrontMARKETPLACE FEES
Profit after the platform takes its cut
Landed cost is half the story. Layer Amazon referral and FBA fees, eBay or Shopify costs on top to see what each unit actually returns to you.
IN PRACTICE
One product, its real profit after Amazon's cut
Landed cost plus referral, fulfilment and returns for the channel you sell on — the per-unit profit you actually keep, worked out before you list.
Bamboo Board — Large @ $12.99 on AmazonFBA
Landed cost$5.84
Referral fee 15%$1.95
FBA fulfilment$2.81
Net after fees$2.39 / unit
Real margin on Amazon18.4%
CHANNELS
Same SKU, three very different margins
Fee profiles apply per channel. See where each product actually earns before you list it — not after three months of payouts.
Bamboo board @ $12.993 CHANNELS
Own Shopify store
+$4.71 · 36%
eBay managed delivery
+$3.44 · 26%
Amazon FBA
+$2.39 · 18%
Best channel, ranked per productautomatic
PRICE FLOOR
Find the floor before you discount
Slide the sale price and watch net profit move in real time. Know the exact price where a promotion stops making money — before the sale goes live.
Price ladder — bamboo boardLIVE
Net profit per unit as the sale price drops
$12.99 · +$2.39$10.99 · +$0.69$9.99 · −$0.16
Break-even price$10.18
— MARKETPLACE FEES
Know your number before the Buy Box war starts.
A product that's profitable at landed cost can still lose money after Amazon's cut — find your price floor before the discounting begins.