How much does it cost to send money from Wal-Mart to another walmart?

Depends on how much you are sending, but Wal-Mart is the cheapest. Good round amount would be $8

You can also pay bills

Customers using Walmart-2-Walmart will pay $4.50 to transfer up to $50, and a flat rate of $9.50 to transfer between $50 and the maximum of$900. Walmart says that competitors charge $4.75 to $5 for transfers below$50, and anywhere from $11 to $76 for larger sums