05Product research

Product research: find what sells, from the record.

Posts on finding what sells from eBay's sold listings, stores and category lists. Every figure comes from eBay's own record or a measurement.

Product research2 min read

7 questions to ask when choosing an eBay product research tool

Seven questions to ask before trying an eBay product research tool: where the figures come from, whether the whole store is read, whether Amazon matches come with reasons, fees, who approves, the rules and your data.

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  1. Product research2 min readQ4 on eBay: the season calendar from Halloween to ChristmasOctober to December is the busiest shopping season in the US. The 2026 calendar, when to research and when to list, and what to watch in stock and handling time.
  2. Product research2 min readeBay listings with variations: which option sellsA listing can sell options such as color and size together, but most sales often come from a few of them. The rules for listings with variations, and how to look at the option that sells when you research.
  3. Product research3 min readAmazon to eBay: the price gap is a reference, not a supply chainThe price gap between Amazon and eBay shows what a product could earn on eBay. How to read it with the right product, the right price, and without breaking eBay's rules.
  4. Product research3 min readFinding what sells on eBay from the record, not a guessWhether a product really sells is written in eBay's sold listings. How to read them, how to work out a sell-through rate, what to look at in a competing store, and how to do it without hours of scrolling.