Reselling — The Dollar Dictionary

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Online Business

Reselling

Buying products at a lower price and selling them at a higher price — profiting from the price difference across different markets, platforms, or timing.

Modern reselling happens across multiple platforms depending on what you're selling: eBay (electronics, collectibles, anything), StockX (sneakers, streetwear), Vinted/Depop (second-hand clothing), Facebook Marketplace (local items, furniture), Amazon (brand new retail arbitrage), and GOAT (luxury sneakers and accessories). Each platform has its own fee structure, buyer base, and ideal product categories.

Successful resellers develop an eye for what's undervalued — charity shops, car boot sales, clearance aisles, and online auctions are their sourcing grounds. The skill is in knowing what something is worth before buying it. Tools like the eBay sold listings filter (showing what items actually sold for, not just listed prices), StockX price history, and Keepa (Amazon price tracker) give resellers the data they need to make smart buying decisions. Margins typically range from 20% to 300%+ depending on the category and sourcing skill.

Reselling is the oldest business model in existence — buy low, sell high. Every merchant throughout history has done this. The modern version just uses eBay, StockX, Facebook Marketplace, and Amazon instead of a market stall. The principle hasn't changed in thousands of years: find something undervalued somewhere, move it somewhere it's valued more, pocket the difference.

Real world: During the PS5 launch in 2020, consoles were impossible to find at the retail price of £449. Resellers who managed to buy them (often using bots to beat the rush) were selling them on eBay for £700–£900 each. Some resellers flipped dozens of units in the first week, making thousands of pounds in days. Controversial? Yes. Profitable? Extremely. The same playbook applies to limited sneakers, trading cards, concert tickets, and vintage clothing.

💡 Reselling is pure arbitrage applied to physical goods — the profit lives in the gap between what you know something is worth and what someone else paid for it.

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