If you would like to setup automatic bill payments if you reach out to Liberty Broadband's Account Manager Danica Zindel at firstname.lastname@example.org she can send you the link to setup a subscription.
The email will look like this:
When you click on the Subscribe Now link you will then see this:
You can then either use PayPal to pay for the subscription or you can enter in your credit card/debt card details in the box and click the Subscribe button.
If you have any questions or need help setting this up let us know and we would be happy to assist you.