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How to Use eBay Sold Comps

“Comps” just means similar items that have actually sold. Use them to judge a realistic price.

Updated September 2026UK-focusedFree guide
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In simple terms

“Comps” means comparable sales: similar items that really sold. They are usually more useful than looking only at unsold asking prices.

Quick answer

Sold listings are evidence of what buyers paid, but condition, size, timing and item specifics still matter. Use the actual order economics, not a rough fee guess. Category, ads, postage and account type can change the outcome.

What matters most

The easiest way to think about how to use ebay sold comps is to keep it simple. Use the facts you know, keep the important details together and learn from what actually sells.

  • Compare like-for-like condition
  • Use several sold results, not one outlier
  • Check whether postage was included
  • Notice how long similar items took to sell

A practical workflow

  1. Start with the item or decision. Record the facts you know before changing price, listing details or stock status.
  2. Check the money. Use purchase cost, expected or actual sale price, fees, postage and packaging so the outcome is based on profit after costs.
  3. Make one clear change. Change the factor most likely to matter instead of editing everything at once.
  4. Track the result. Save what happened so future sourcing, pricing and listing choices get better.
  5. Review in batches. Weekly or monthly reviews are more useful than reacting emotionally to one item.
MyCost tip: attach the cost, channel, listing status and eventual sale to the same stock record. That makes it much easier to compare what you expected with what actually happened.

Numbers worth tracking

You do not need a giant spreadsheet. These few numbers are usually enough to tell whether things are working:

Sale totalItem + applicable postage
Seller feesActual order-level fees
Ad costPromoted listing cost where used

Common mistakes

  • Using the wrong fee assumptions
  • Ignoring postage in fee calculations
  • Overusing promoted listings without checking profit left after costs
  • Pricing from one exceptional sold comp

What to do next

Try this on a small group of real items first. If it helps, make it part of your normal routine. There is no need to change everything at once.

Related guides

Quick questions

Do I need special software for this?

No. You can start with a clean spreadsheet or notes. Software becomes useful when you have enough stock that manual updates are slowing you down or causing mistakes.

How often should I review it?

For active sellers, a quick weekly check plus a fuller monthly review is usually enough to spot problems before they become expensive.

Should I optimise for the highest possible sale price?

Not always. Money coming in and going out, days-to-sell, risk and the amount of work involved can make a slightly lower but faster, cleaner sale more profitable overall.

Track this automatically in MyCost

Stock, costs, sales channels and real profit in one place.

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