McDonald’s is giving away free medium fries come July 10 to mark National French Fry Day. The catch is that you’d have to be a Rewards member to redeem the offer, and you’d also have to spend at

Retail rewards programs can be a smart way to save money at establishments you frequent. If you collect points, don't keep them indefinitely; they often expire. Many businesses are offering paid memberships to customers that offer a wide range of discounts on services and products.