Sellers can send a feedback revision request if a buyer's concern is resolved.
Rather than artificial manipulation, sellers are encouraged to: buy ebay feedback
The following informative paper explores the practices, risks, and official regulations surrounding the purchase of feedback on eBay, a tactic often used by new sellers to establish immediate credibility. Overview of the eBay Feedback System Sellers can send a feedback revision request if
eBay will proactively remove negative feedback that violates policies, such as those containing profanity, threats, or issues outside a seller's control (e.g., weather delays). While 100% positive feedback is ideal, a score
Recent updates automatically leave positive feedback for sellers if a buyer doesn't do so, provided the item was delivered on time and no issues were reported. Feedback policy - eBay
eBay’s reputation system is a primary "measuring stick" for buyer confidence. It aggregates positive, neutral, and negative ratings from past transactions to help users identify reliable trading partners. While 100% positive feedback is ideal, a score above 99% is generally considered the benchmark for high-level trustworthiness.
Registering multiple accounts to exchange feedback or using a high volume of low-dollar sales to "hide" negative reviews on expensive items is against site rules.