Does the American Express Blue Cash Preferred card offer rewards for purchases at Walmart?

Yes, the American Express Blue Cash Preferred card does offer rewards for purchases, although Walmart transactions are typically not categorized as U.S. supermarket purchases, which are eligible for the highest reward rate of 6% cash back with this particular card. However, Walmart does qualify for the standard 1% cash back that applies to other general purchases. It's important to regularly review the specific reward program details as they can change, and certain exclusions or qualifications may apply depending on how American Express classifies the purchase.