If you would like to update your payment method, you can do so at any time through Barstoolgold.com. You must log in to your account from a desktop or mobile browser to update. In-app account management is not currently supported at this time.
You can access your account by clicking here and logging into your account. Once you've logged into your account, you may update your payment information by entering new payment details in the "Billing Information" section and selecting Submit.