Walmart offers coupons that you can print and use at your local Walmart store. First-time users must validate using a one-time verification code.
Print and Use Coupons - Walmart.com
www.walmart.com > help > article > print-and-use-coupons
Walmart doesn't accept mobile digital coupons, only paper or printed internet coupons.
Walmart Couponing 101: How to Shop Smarter & Get Free Groceries
thekrazycouponlady.com > 17-walmart-couponing-hacks-you-need-to-know