Managing Payment Methods: Select 'Manage Payment Method' to view or add a payment method (bank account or credit card).  Note: Adding a payment method does not automatically enroll you in Autopay.  Initiating a One-Time Payment: Navigate to the 'Home' tab in the billing portal.  Click 'Pay Now', select your payment method, and then click 'Pay Now' again.  Select 'Initiate Payment' to make your one-time payment.  Viewing Transaction History: You can review a summary of transactions in your Tesl...