Guides
Reseller guides
How marketplace fees actually work, where to sell what, and the math behind shipping and platform choice — written for people who actually sell stuff.
How marketplace fees work
The foundational explainer: commission, payment processing, flat fees, and how to read any fee schedule.
The true cost of free shipping
Why free shipping doesn't save fees on most platforms — and where it actively costs more.
Cheapest marketplaces by price
Data-driven analysis: which platform nets the most at $10, $50, $100, $500, and $1,000.
Best platforms for selling sneakers
StockX, GOAT, eBay, Whatnot, and Depop compared for sneaker resellers.
Best platforms for selling vintage clothing
Vinted, Depop, Etsy, Poshmark, and eBay compared for vintage fashion resellers.
Best platforms for selling trading cards
eBay, Whatnot, StockX, and Mercari compared for trading card resellers.
Best platforms for casual / side-hustle sellers
Lowest-friction platforms for weekend sellers and closet-clearers — Vinted, Mercari, Depop, Poshmark, and Facebook Marketplace compared.
Best platforms for high-volume / business sellers
Store subscriptions, seller-level tiers, and where scale rewards pay off across eBay, StockX, Etsy, GOAT, and Whatnot.
Local pickup vs shipping: when to choose each
When local pickup beats shipping (bulky, low-margin, time-sensitive) and when shipping wins (high-value, niche, lightweight).
Tools & reference
Jump straight to the live calculators and definitions.