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Underpriced AI

Pricing and accuracy

Comparable sales explained

What recent sales and listings for sale now are, where they come from, and how to use them to sanity check your price.

Your price estimate is not a guess. It is built from comparable sales (sold comps): real listings for items like yours. Every scan shows them so you can check the math yourself.

Recent sales vs listings for sale now

  • Recent sales: recently sold items with the actual price a buyer paid. Your suggested price follows these.
  • Listings for sale now: currently active listings with the prices other sellers are asking.

Asking prices are often higher than what items really sell for. When active listings are asking noticeably more than things sell for, the result flags that gap so you are not fooled by a hopeful number.

Where the sales come from

Sold data is pulled from the source that knows each item best: eBay sold listings first, with Poshmark and Mercari sold listings, Grailed for vintage clothing and AbeBooks for books where they fit, and our own archive of over a million recorded sales. A barcode in the photo pins the exact edition of a book or record, so it is not lumped into one generic search.

How to use the sales on a result

  1. Open the scan result and scroll to the recent sales.
  2. Click a sale link to open the original listing.
  3. Compare condition, variant and completeness against your item.
  4. Check Competition and How fast it sells: how many are for sale against how many sell.
  5. Price toward the low end in a saturated market, toward the high end for rare items you can wait on.

When the matching sales spread wide, the badge under the price says "Check the price", and "More about this price" shows how far they spread.

What the free scan shows

The first scan is free with no card, and it is the full result: the item identification, the price, and the recent sales with clickable links. After that, packs start at $3 for 5 scans and plans at $5 a month, on web or mobile.

Frequently asked questions

Can I see the actual sold listings behind my price?
Yes. Every scan includes comparable sold listings with clickable links, so you can open each sale and check condition, variant and price yourself. Active listings are shown separately with their asking prices so you can compare what sellers want against what buyers actually paid.
Why is the suggested price lower than what I see listed on eBay?
Your estimate follows sold prices, which is what buyers actually paid. Currently listed items show asking prices, and those are often higher than real sale prices. Both are shown on the result, and a large gap between them is flagged for you.
Can I share the comparable sales with a buyer?
Yes. On any scan result, tap Share to get a public link. The recipient sees the item, the price range and the recent sales without needing an account. You can share the link before or after you list the item.

Try it on web or mobile

Your first scan is free, no card. Plans start at $5 a month and packs at $3 for 5 scans.

Updated 2026-09-28. Something wrong or missing? Tell us and we fix the guide, not just the reply.