Originally Posted by
t325
At one point people were using that trick to return diamond rings bought at costco.com. Not sure what happens if you try it now.
They used to do that in the UK but they can now refund to Visa and MasterCard instore as well as Amex. I don't know if it's because the debit networks are the same network as the signature networks here though, they just don't accept them on credit by restricting the BIN for purchase.