Why asking prices aren't sold comps

You're in a thrift store with a promising item in your hand. A quick search turns up several listings around $100. At a $10 purchase price, it looks like an easy decision. Those numbers are an illustration, not researched comps.

The listings leave the most important question unanswered: has a comparable item actually sold at that price?

Start with the closest match

Look for the same maker, model, size, material, and condition. An attractive comparison becomes less useful when the sold item has a different label, includes accessories your find is missing, or belongs to a different product line.

For clothing, a familiar brand name is a starting point. Style, fabric, measurements, wear, and alterations can change the opportunity. For equipment, the exact model and whether it works may matter more than visual resemblance.

Keep estimates separate from evidence

AI can help identify an item and organize a search. Ask it to distinguish sold results from active listings, provide sources, and say when a reliable comparison hasn't been found.

A suggested resale range is an estimate until its supporting evidence has been checked. If a displayed sold result involves a negotiated offer whose accepted amount isn't visible, don't treat the original asking price as the confirmed transaction price.

Check condition and completeness

A clean, tested, complete item is a different proposition from an untested item with missing parts. Inspect yours before deciding that a strong-looking result applies. A small crack, a damaged zipper, or an absent remote can change both price and return risk.

Make the buying decision

Consider purchase cost, fees, packing, shipping, preparation, storage, return risk, and the time it may take to sell. Use the current costs for your marketplace and shipping method rather than a generic profit assumption.

When strong sold evidence supports a margin worth your time, you have a reason to keep investigating or buy. When the opportunity depends on a mismatched listing or an optimistic estimate, stepping away may be the better decision.