That's been the case with me, though It came very close to getting stiffed by QSC. As luck would have it I asked for a refund, (as they claimed they couldn't fulfill the order and asked me if I wanted a refund or a credit) and they literally processed the refund two days before going cold. Would have hurt a bit but not the end of the world, it was about $550.
But I totally accept the fact that at some point in future I might get shafted one way or the other, and that is probably fine as I've already had over 15 orders (myself and friends) and all have gone smooth.