It's common, but not universal. I once charged back gift cards that had been purchased through my hacked Zune store account (which tied into my main Microsoft a

It's common, but not universal. I once charged back gift cards that had been purchased through my hacked Zune store account (which tied into my main Microsoft account). I had some email back and forth with support and informed them that that's what I had done and why and they unlocked my account. That said, I wouldn't rely on that today.