Whatnot vs Ebay

Whatnot and Ebay both land on Depends.

Whatnot

Depends

Confidence: Medium

Buy if you're a collectibles seller wanting a built-in live auction audience, or a shopper who enjoys livestream bidding and accepts markups.

Depends

Confidence: Medium

Buy it as an individual selling used, rare, or collectible goods . reach is unmatched and startup cost is zero.

Whatnot versus Ebay
Compare	Whatnot	Ebay
Verdict	Depends	Depends
Best for	Collectibles and trading-card sellers	Casual sellers of used goods
Who it's not for	Bargain hunters . auction hype often pushes prices above retail	Low-margin, high-volume new-goods sellers
Privacy	No public CVEs found; runs a HackerOne bug bounty; user reports of unauthorized charges and past shill bidding remain the main concerns.¹²	Mature platform with real breach history: 145M users notified in 2014; recent CVEs mostly hit third-party integrations.
Support quality	Widespread support complaints across Reddit.	Users hunt for real human support
Public sentiment	Sentiment is split: many buyers and sellers enjoy the platform, while recurring complaints target support, fees, and buyer protection.	Sellers complain about stacking fees and buyer-favoring disputes, while buyers praise reach and bargains but find support hard to reach.¹³
Biggest gotcha	Fees stack: 8% commission plus processing . roughly $22.10 taken from a $200 sale^³	Per-sale final value fees stack; cheap items can lose margin after fees and shipping