(You'll need to have an account with Aviators Market and be signed in to be able to use this feature.)
How to add or edit a Payment Option
If you want to add or update payment information for your account, select PAYMENT OPTION from the account menu at the top of the screen where it says HELLO, (your name):
To add a new payment method, select ADD NEW PAYMENT METHOD. To edit an existing payment method, select the red EDIT text at the bottom left corner of the desired method.
Setting a default Payment Option
When adding a new payment method, it will automatically be set as your default payment, as shown by the grey DEFAULT text in the picture above. If you would like to change your default payment to another existing method, select SET AS DEFAULT: