More details about the Walmart Gift Card
Also redeemable at any Sam's Club Store or Samsclub.com (must be a Sam's Club member).
Up to four gift cards may be redeemed per order at walmart.com
Only two Wal-Mart Gift Cards (plastic or eGift Cards) can be saved to your account at any give time.
Walmart Gift Card Replacement Details
May be replaceable by taking the original receipt to your local store.