Simply put, buying a car with a credit card is a bad idea for nearly everybody. There are a few strategies that may make it a worthwhile endeavor — but unless you’ve got the money to pay off your card immediately, it’s a financial booby trap. Here’s what you need to know about buying a car with a credit card. Do car dealerships accept payments with a credit card? There are two reasons you might consider purchasing a car with a credit card: You’re a savvy collector of credit card rewards and you’d like ...