Do not apply for mileage earning credit cards if you are unable to pay off your credit card bills every month. (thesavvyglobetrotter.com)
Yes, there is often an annual fee associated with a mileage earning credit card, but the real cost of earning the miles is the cash back reward that I am forgoing. (wisebread.com)
Diversify your mileage earning credit cards so you have the points you need for whatever option is the best for you. (cardsfortravel.com)