Ok, it's not a list yet. Your input is needed. Of course we all know that giftcards.com obtained through bigcrumbs.com gets a nice rebate more than equal to their $4.95 per $500 card fee. And pin-based giftcards can be used to buy money orders and money orders can be deposited. And in most cases giftcards earn miles. And they look better as purchases on your summary than rows of OPC-Dollar Coins. WalMart charges 89 cents for a MO up to $1000. USPS charges $1.10 up to $500 and $1.50 up to $1000. Can 2 $500 giftcards be used for one $1000 money order. Are there many free money orders? Are there banks that allow a deposit directly from a pin-based giftcard? Do Chase's own giftcards earn miles? Do AmEx's? How do the Mint's e-giftcards show up on summaries? Can they buy coins? I don't think there's any secret to this that would cause it to go away, since giftcards normally have a fee, but maybe it's best to not be too explicit. If the mods want to move this to general miles&points, I'm fine with that too.