If you'd like to disable the Auto Billing system, follow these quick steps, and do keep in mind that any active auto billing cycles will be cancelled right away.
- Click on the three blue lines and select "My Plan" from the menu
- Select the "Manage Plan" tab across the top
- Toggle the Auto Billing add-on to off (it will turn grey once you've selected it)
- Press the blue "Review & Confirm" button in the lower right