eBay is running its latest targeted eBay Bucks promo with 10% Bucks for in-app purchases, 5% through the browser. No minimum purchase required, YMMV.
*Qualifying items exclude all items in the following categories: Classifieds; Business & Industrial, but only for Heavy Equipment within that category; Real Estate; Gift Cards & Coupons, including eBay Gift Cards, Gift Cards, and Digital Gifts within that category; Bullion within the Coins & Paper category; and all categories in Motors, except Parts & Accessories.
http://ebay.com