I bet they just didn't want to pay the fees. Did they accept other cards?
Refusing AMEX is a big one from many vendors - AMEX fees typically start at 4-5%, and MC/Visa is typically 2-2.5%. On large repair bills of, say, $1500, and extra 2% is another $30+, just for accepting a different piece of plastic.
Refusing AMEX is a big one from many vendors - AMEX fees typically start at 4-5%, and MC/Visa is typically 2-2.5%. On large repair bills of, say, $1500, and extra 2% is another $30+, just for accepting a different piece of plastic.