Always wanted to sell your stuff on eBay but couldn’t deal with the hassle of uploading photos, processing payments, and shipping? Let an eBay drop-off center do it for you. Bring your unwanted belongings to the nearest drop (www.auctiondrop.com lists more than 3,000 locations), and the service will try to sell your things on eBay, taking 20 to 38 percent of the selling price for doing the legwork. www.i-soldit.com is a similar service.