Shaquille O'Neal reveals American Express thought his credit card had been stolen after he spent $70,000 at Walmart "I have the biggest purchase in Walmart history: $70,000. I got traded from Miami to Phoenix, and I'm the type of guy who has no patience. I get to Phoenix, they have an apartment for me, but nothing's in it. So at 2 or 3 in the morning, I gotta go get four or five TVs. I gotta go get printers, I gotta go get laptops. I gotta go get appliances, sheets, towels, underwear, T-shirts." "So in the end, it was $70,000. It got declined, so I pulled it out and put it back in. It said declined again. So now I'm saying, 'I know I'm not broke.' So then I just said, 'Alright, I'll be back.'"