Have you ever thought of why the people sell the items so cheap? The do because they find websites like pigpony.com or they buy when there is a special going on. So the next time when you think about buying a memory card for ur slvr or when you want to buy a bunch of electronic look on google first because sometimes they will have the items you want cheap with other things you need so you can just buy all your electronics at one place and get a great discount. At overstock.com get one of the live chat people to do your order to get free shipping and other discounts then sell it on ebay. even though the stuff on pigpony.com they usually have the same things found on ebay but the items on ebay are usually fake like pigpony so it does not reaaly matter unless your buying used and it can be 100% refundable then buy it and test the quality