How promoted listings quietly wipe your margin
If your margin before ads is thin, promoted listings can buy unprofitable volume. Stress-test ads % in the marketplace calculator, then try a higher price + ads in…
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Selling online, with clearer numbers
Fees, returns, ads, ops, and Fee Watch notes for UK marketplace sellers.
Depop and Vinted: “free” fees still cost you
UK Depop dropped selling commission for many sellers; private Vinted can be £0 platform fee. Processing, boosts, and postage still decide profit. Model payment processing and an honest…
Read guideWhen Shopify beats eBay, Etsy, and Amazon
Shopify fees look tiny per checkout. Marketplaces tax the sale but supply demand. Own-store wins when you can acquire buyers cheaply enough that Stripe/Shopify processing beats marketplace final…
Read guideReturns can erase your “best platform” win
Fee comparisons assume the sale sticks. Fashion and electronics often don’t. Set an honest return rate in the calculator — rankings that look great at 0% returns can…
Read guideeBay vs Amazon: which fee stack leaves more profit?
Sellers often pick a platform by vibes — “Amazon has the buyers” or “eBay is cheaper.” The take-home number rarely matches either slogan. Start with the same product…
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