Got email from topcashback they will pay 3% for eBay US purchases.
This may only work with eBay.com.
Excluded Categories (Including sub-categories where appropriate) - Not eligible for Cash Back.
Electrical Goods (Including Phones, Power Tools, Small Electronics and Gaming items), Gift Cards & Coupons, Camera & Photography (Including accessories & Photographs), Bullion, Coins and all other money items, Computers, Tablets and Networking
Good cashback, but isn't this only for the US eBay site? Might want to disclose that if it is.