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The MarginKit Blog

Marketplace fee changes, pricing maths and tracking guides for online sellers. Every figure is checked against the platform's own pages, and every post links to a free calculator so you can run your own numbers.

November 11, 2026

TikTok Shop Fees in 2026: Is the Referral Fee 6% or 8%?

TikTok's published US referral fee is still 6%, but 8% keeps appearing online. Where the 8% comes from, how to check your real rate, and what 2 points cost you per order.
November 11, 2026

Walmart's Apparel Price Trap: Why $20.01 Earns Less Than $19.99

Walmart's apparel referral fee jumps from 10% to 15% of the whole sale above $20. See the dead zones where a higher price earns less, and how to price around them.