Cash App Card is a prepaid card that helps users to pay the bill for online and offline purchases. To use the Cash Card for payments, one needs to put the balance in the Cash App account. You can use the Cash Card till you have a balance in your Cash App wallet. Otherwise, it is just a plastic card which is of no use. If your Cash App Card balance is low, you need to add a balance to your card. You can add money to your card through different means. First of all, you can use debit card transfer to add balance to your Cash App Account. Secondly, request a friend or family member to transfer money to your Cash App wallet. Thirdly, you can visit any offline store like Rite Aid, Dollar Tree, Walgreens and 7Eleven etc. to load the card.