I wouldn't call buying stuff off of a sample sale website being an "ebay vulture". Sure it's annoying if there's something at the sale that you actually wanted for yourself and other people snapped it up so they could sell it on ebay. But there's no law against it. And if people on ebay are dumb enough to pay what the person is asking for it then... well...

If anyone is an ebay vulture, it's people who watch your auction when you have no bids and then they wait until the very last minute to bid on it in an attempt to get it really cheap. And then they turn around and try to sell it again a couple of weeks later.