To change your credit card information or billing cycle, please call us at 1-866-800-4640. We are here Monday through Friday from 9 a.m. to 5 p.m. Eastern time.
You can also change your credit card information on the Settings page:
Click Subscription in the left-hand column, and then click "edit" in the top right corner of your "Membership Settings" section.
After you input your new card information, make sure to click on "Update Your Credit Card" to confirm the change.