Comment on When a 1.5% Cash-Back Credit Card Beats a 2% Cash-Back Credit Card

In comparing flat-rate cash-back credit cards, the decision seems easy: Pick the card with the highest rate of cash back. A credit card with 2% cash back or more beats a card that offers just 1.5% cash back, right? Not always. You have to factor in sign-up bonuses, which tend to be lower or nonexistent... Gregory Karp is a writer at NerdWallet.