Go into your paypal account and find "profile". In the drop down menu,
go to "add or edit credit card". Remove your old card, and the go to
"add card" and put the details of the new one in. You should be good to
go right away.
You can't just delete it. Contact the seller and explain that you
"bought" two by mistake. Hopefully they will help you sort it out. If
you have already sorted it out with the seller, and they accept that you
only want one, mark the item as "mark as ...
BB? Are you sure? That makes me think of George Orwell's "Nineteen
Eighty-Four". As someone else said, Blues will always be Pinks to Forum
users anyway.