I think that this is a totally valid approach. I merely prefer using privacy because it locks a card to a vendor and I can set limits (or simply pause a card) p

I think that this is a totally valid approach. I merely prefer using privacy because it locks a card to a vendor and I can set limits (or simply pause a card) per vendor trivially. In fact, this weekend I got a notice from wilsoncombat that their payment processor had been hacked and card info had been leaked, which I had suspected when I received a notification that a charge ($0.15) had been declined on the card I used with them in March. The charge was declined, and I was able to close that card and not have to redo my card info in every place I have a card linked.