There are many ways to save extra money with minimal effort. Today, let’s discuss how to effortlessly save extra money via the best cash back apps out there. Whether you just need a few extra bucks a month, or a few extra hundred bucks a month, cash back and rebate apps can help you meet that goal. Do cash back apps really work? Yes. Cash back and rebate apps let you earn cash back or other rewards when you make a purchase through a qualified retailer. Think the opposite of coupons, okay? So you don’t get the deal upfront, you first buy the product and get your reward once you’ve…