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The Defect Rate Repair: How One Returned Item Can Drag Down 200 Good Sales

By GradeThread Team · ·8 min read
eBay listing optimizationseller-metricsReturns and reconciliationReseller finances

The Defect Rate Repair: How One Returned Item Can Drag Down 200 Good Sales

eBay calculates seller defect rate as a percentage of your total transactions over a rolling 3-month window, not a raw count — so at low volume, a single defect can push you from 0% to well above the 2% Above Standard threshold, and it takes real time (not one good week) to dilute it back down. That's how one bad return quietly threatens a seller level that took you 200 clean sales to build.

How does eBay defect rate affect seller rating

eBay reviews your account monthly and assigns a seller level — Top Rated, Above Standard, or Below Standard — based on defect rate, cases closed without seller resolution, and late shipment rate, measured over the trailing 3 calendar months (or 12 months for Top Rated, depending on the metric). Defect rate is the one most sellers misunderstand. It isn't

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