While you're looking through the following list, you might notice that there aren't actually "codes" to use on Amazon, but rather, the "coupons" for Amazon are something that you "clip." By clicking on a link associated with a deal below, a new window will pop up, and you'll be greeted with either:
At this point, if you encountered option 1 from above, you can continue with the purchase of your coupon-applied product; if you encountered option 2, you can select the product you want to buy, then continue with your purchase. Or, alternatively, you can come back here and find more coupon deals to apply.