- If you know how to search for them you can save on every single purchase you make, well almost, coupon codes, Promo codes and discounts codes are available for almost anything and everything you shop for online. these coupon codes are out there just waiting to be used and. There could be some stores you just won't find a coupon for. For anyone stores you might like to try getting some cash back while you shop. There are a few sites available that offer cash back on your purchases too. When you combine the 2 strategies you can get yourself saving a lot of green.