Re: Creating a "Universal Card" that can link all of the cardholder
's credit cards togethe
12-05-2009 06:24 PM
There is sort of such a thing: Paypal
You can link any checking, savings, debit or credit card. You can get a PayPal debit card that will draw upon one of your pay sources and have a backup.
You can select which pay source to use at the time of purchase if you do it online.
I know its not what you had in mind, but this is the closest I see it coming.