The idea of paying for a coupon may sound like an oxymoron, but fortunately, it’s one of the smartest shopping decisions consumers can make. And with eBay, it’s also one of the easiest ways to save money. A typical stack of 20 coupons sells on eBay for about $1 to $2. That’s quite a deal! Learn more about why you should be getting your coupons on eBay.