I received a reward card to cover my expense for breaking a contract to switch to AT&T. I used half o fthe car right away and waited until the last day before expiration to use the remainder. Unfortunately, the card (worth $43 by this time) was declined because it was expired (even though it didn't expire until one day later according to AT&T). I called customer service and they initially said that it was my fault because A. I used the card after expiration (I did not) B. I didn't enter the expiration correctly... read full review »