Discount codes don't stack. If you have 55% off discount, they can't also use a "free shipping" coupon since Only one discount at a time can apply to a single order at the Walmart site.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on Walmart's policy, you can contact Walmart via mail for your reference.

To avoid this problem, you should check out carefully Walmart promo code before that promo code could be expired, some promo codes are tied to a minimum purchase, a first-time purchase, or tied to geography, and other reasons.

Normally, most of the websites you can print the grocery coupons from only work on a computer, even you can get coupon books mailed to your home for free. But it completely depends on Walmart's support program at the time you search, so please visit the Walmart site to know more details.

Yes. Coupons for each Discount Event of Walmart will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

Yes. The old coupons from Walmart will be kept on the page if it has not expired. New coupons will continuously be updated.