Many credit cards these days--including Cabela's--have incentive programs that allow you to earn points towards future purchases. And if I understood what was said, this gentlemen pays off his balances every month, so he is charged no interest; therefore, it's no different than using cash.

I do the same thing with my Cabela's card. Whatever I charge, I pay off that month, and I've earned nearly $300 towards FREE Cablela's merchandise, and I've never paid any interest, or any other fees, so not only is it convenient to use a credit card as opposed to cash, but I'm earning something in return for it as well..... you can't do that with cash and buying with cash doesn't build credit.