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Every Mediovsky piece tagged Marketplaces.

2 articles
Jun 242026
E-Commerce

The referral fee is the smallest line on your Amazon bill

Amazon called its 2026 fee change slight, and for one unit it is. The real cost of selling on Amazon and Walmart sits underneath it: a stack of fulfillment, storage, and ad charges that turns a 6-15% referral into something operators put near 30-40% of gross merchandise value (GMV), and each platform hurts in a different place.

Mikołaj Salecki·5 min