My mom and I have been customers of walmart since I can remember. Today I visited walmart in Greenville, Ms and bought a pre-paid calling at&t calling card on register 18. I decided to put the money on my phone before I left the store but upon doing so discovered no money was on my card. I immediately went to customer service and reported it. I was told there was nothing they could do, and I would have to call the 1-800 number on the card. This was all the money I had left and now they're telling me it's nothing they can do about... read full review »