SNDDeals
Two nearly identical items can have completely different outcomes on eBay. One sells within a day, the other sits for a month at the same price. Most of that difference comes down to how eBay's search ranking works, and it matters as much to a reseller deciding what to buy as it does to how you list once you've bought it.
eBay's search ranking, generally referred to as Best Match, weighs a mix of factors including how closely a listing matches the search terms used, the seller's track record, price and postage relative to similar listings, and how buyers have historically behaved with similar items. It isn't a single fixed formula, and it isn't published in full detail, but the practical effect is consistent: listings that match buyer intent closely and come from sellers with a good track record tend to surface higher and sell faster.
An item can have a healthy sold price on paper and still be a slow seller if the category is crowded or the demand is thin outside of a narrow search term. Checking sold prices tells you what something is worth. It doesn't tell you how fast it moves, and speed matters more than most new resellers assume, since money tied up in slow-moving stock isn't available for the next flip.
When you're deciding between two potential flips with similar profit numbers, the one in a category with more frequent recent sales is usually the better buy, even if the margin looks marginally smaller on paper. A flip that sells in three days and frees up your money again is often worth more to your overall turnover than one that sells for slightly more but takes three weeks.
When you're checking eBay UK sold prices, look at the spread and frequency of recent sales, not just the highest figure. A category with five sales in the last two weeks at a consistent price tells you something reliable. A single sale from three months ago at a high price tells you very little about what will actually happen if you list today. Fees and postage also affect what's actually worth buying, not just what sells fast, so it's worth understanding both together (see our eBay UK fees guide).
SNDDeals shows real eBay UK sold prices and net profit across 17 supported retail sites, so you're buying based on what actually sold, not what someone's hoping for. See how it works →
Not financial advice. This is general information to help you make your own decisions, not a guarantee of any particular outcome.