@Dax Gurr
I'm assuming you considered this, but just in case, if the purpose of the property is to do buy and hold (as opposed to flipping), you could consider asking the current occupant if he would like to stay and pay rent. You can make it attractive for him by charging less rent than he would pay somewhere else, and the attractive part for you is that you don't have to do anything, get revenue from day 1, and most importantly no rehab (which could be significant depending on the condition of the place).
Others will argue that if the person didn't pay their mortgage, they're probably not a good tenant, but I followed the above strategy on a Hubzu house. I negotiated with the current occupant even before the auction (small town, was easy to track her down through someone who knows someone) and she ended up rooting for me to win the auction, as it would have made her life easier (she hadn't been able to pay because she got divorced and the house was severely under water, but would have been able to pay me just below market rent. Also, no other available rental properties in that price range the small town.).
Of course I ended up not winning the auction due to Hubzu's unrealistic reserve price, and on the third auction, someone paid them what they wanted and got the house.
The occupant ended up calling me later on to thank me for my efforts. The new owner had given her a week to get out (and wasn't interested in her staying).
Anyway, just another idea for the right situation.
Jean