Bring them to the cash register when you checkout. The cashier will take them there.
Entering coupon codes is very easy to do on the Walmart website. You will enter the coupon codes at checkout in the box marked codes.
There are a variety of websites that state they offer coupons for different stores and products. These sites often have coupon codes or offers that work, but sometimes these offers are expired or do not work. To the best of my knowledge you can not purchase a coupon for Walmart. Here is a site that has some Walmart coupon codes: http://dealspl.us/walmart-coupons
Walmart does not have a coupon program rewards program. They do however always have some great prices on their products. You should just be happy with that.
Coupon codes for Avis can be found on the coupon site called Retailmenot. These coupon codes are also available on sites such as Coupons and Savings. The Avis website also has these codes from time to time.
Burlington Coast Factory codes can be found on several coupon websites. The codes can be found at Retailmenot, Coupons, or Anycodes. These websites have codes and printable coupons.
Verizon Wireless coupon codes can be found at www.retailmenot.com/view/verizonwireless.com. This site has the newest coupon codes, and also allows comments from customers.
Fossil coupon codes can be found on many sites, specifically coupon code sites. However, the best place to find coupon codes would be the official website for Fossil.
Snapfish coupon codes can be found on websites that give coupon codes to members. The official Snapfish website will give such coupons, as will other general coupon websites such as Retail Me Not and Tech Bargain.
The best Bodybuilding.com coupons and coupon codes can be found at http://www.supplementscoupons.com
Coupon codes for J.C Penney can be found in a wide variety of different locations. These coupons can be found at the local store or on the official online site.
Britesmile coupon codes can be found online on websites such as 'Tjoos', 'Free-Coupon-Code', 'Dontpayfull', 'Ultimatecoupons', 'Couponcabin' and 'Nerdwallet'.
I found website where you can get Uverse Coupon Codes. Just look at related links.