You can change which card you want Blinksale to bill at any time. Just click on the Settings link at the top of the page, then click on the Account & Billing button in the sidebar on the right. Look for the change card link under “Billing Information” and hit that. You can then enter a new billing address, credit card number, expiration date and card verification number as you need. Just make sure to hit Save Settings when you’re done.