Yea man! So Bid4Assests can be a good source for deals.
A lot of states and counties run their official auctions through their system (like California for example).
They have both regular properties and auction properties on their site.
From a title standpoint, I'd approach buying property off their site, similar to going to a county auction.
You want to do all you can to ensure that the title is clear but you still might end up going through a quiet title action or additional steps to clear things up.
I think it might be like finding a needle in a hay-stack but if you got the time to dig through and analyze the properties listed there - I think it could be a pretty solid potential source for deals.