Demand
A cheap item is only a deal if someone wants it soon. This hub is about demand: how to read favourites, listing age, market exits and liquidity before you commit money, how to find a niche that moves in your market, and which categories are structurally easier to resell. It is the evidence side of sourcing, written for resellers who would rather measure than guess, and it never treats a listing that disappeared as a confirmed sale.
Guides

The best things to resell in Europe, ranked on fees, authentication rules, listing limits and shipping size, plus a two-week test for your own market.
15 min read
Check resale demand before you buy: live competition, favourite speed, how fast similar listings leave the market and liquidity vs margin, no sold filter.
9 min read
How to spot resale trends early: Google Trends read correctly, listing counts over time, social mentions, a three-item test, and signs of the end.
6 min read
Research which brands, categories and sizes move in your market before you specialise: a repeatable method and the pitfalls of copying trend lists.
8 min readStart with reva
One place to find underpriced items, check their market value and act before someone else does.