When Buying a cell phone from at&t they offered a rebate of $50 and sent us a visa card. I tried to use it at a restaurant and it was declined. At&t adds 20% on to the bill for the tip. You can not use the card unless the bill and the 20% tip come to under $50. So it means when you use the card for under $50 at&t keeps the change. What a scam. These people blatantly lied about this. A rebate and a visa card are two completely different things. The point of doing this is so at&t does not have to give the total rebate. At&t... read full review »