Scams like this suck, but I'm not sure that it really is an example of why we should not accept credit cards. Credit cards can be a great way of securing money quickly from legitimate clients. I, personally, prefer the credit cards to checks because of how quickly I get payments. I think this is more of an example of why we, as business owners, should not do anything shady. Processing a payment for a third party is not much different from money laundering. Why would anyone think that was a smart business decision?