There aren’t too many true “online real estate auction” sites around. There is one that I keep coming across. The site is Williams & Williams Auctions. They offer a true auction format that allows you to place online bids in real time on properties. This isn’t the case for all properties, but it is designated when it is.
A friend picked up a house in Lockport last year on this site. I think he ended up paying $14,000 for a home in a decent neighborhood. It was obviously a gut job, but for the price, that was justified.
Check out the site for yourself. Buyer Beware!