Yes, you can load the Cash App card at any Walmart store. The Walmart store allows Cashapp users to refill the Cash Card. Visit the nearby Walmart store and approach the Cashier. Now, request the cashier to refill the Cash Card. Provide information like Cashapp username, mobile number and e-mail ID. Now, pay the amount that you wish to add to your Card. The cashier may also ask you to pay an additional $4 as a service charge. Pay the same as per the direction of the Cashier.