I was charged $109 on my card 5/08 for gas. my car does not hold that much gas, even at the prices of that time. I tried to file a complaint & get the charge revervsed on my card. it did not work. I did buy about $40 in gas about that time, but not no $109. then it came out later how someone hard hacked into the murphy oil credit card system & diverted some over charges into a hackers account. but that wal mart visa would not do anything about it. I will make sure that this gets ALL over the net, if I don't get back the $69 over charge from murhpy oil comp. they have until 3/29/09. read full review »