To add payment information to your account all you have to do is follow these steps:
Go to the teelaunch app > Click account:
Once you are in the account page scroll down to payment method
Now there will be three different methods to connect to the teelaunch app:
If you are using a Credit Card, it will ask you to input the Credit Card Information, and if it is PayPal or Payoneer you will be asked to connect your account via the respective websites.