Unlimited programs give you the same flat earnings rate on all purchases, while cards that offer bonus categories provide higher earnings rates for purchases in the predetermined categories. (cardrates.com)
No matter how high the earnings rate on your cash back card, remember that it will likely be much lower than the interest rate you're charged (unless you have an active intro - APR offer). (cardrates.com)
Talking to co-founders Pete and Chris at the Frequent Traveler University, they shared that airlines are footing the cost of these new enrollment bonuses, making it easier for them to save money on advertising and pass on more of their marketing budget to customers in the form of higher earnings rates and other perks. (travelcodex.com)