It's a complete scam. Don't get sucked in. You have to pay $0.80 per bid which doesn't seem like a lot. But when there's 14 seconds left on a bid, the timer keeps going down, but if another person bids before it gets to 0, it starts back over at 14. This Gucci purse has started over from 14 seconds over and over again for about an hour so far. It's gone from $2.00 to $8.46, and doesn't seem to be stopping any time soon. You just keep bidding and bidding and soon enough, your 80 cents per bid is adding up to the regular price of the thing.
If you desperately want something on there, your best bet would be to bid on it at an odd hour in the night, like 3 or 4 AM, when it's about to end. This site is seriously insane though; stay away.