Let's say your current home has a conventional loan, FHA could be an option but you have to be aware of the self-sufficiency test requirements for anything over a duplex.

VA I think most want the benefit of zero cash down so thats a bit of a draw back and the inspection is rare so approved for VA wont go through with funding due to lack of inspection.Again I have never bought a house at auction nor am I in the Military so this is just from my research but not tested. 

Once you have a shortlist, sign up for an account with each one and test them extensively to see how they function.

If he doesn't pass the sniff test, don't let him move in.

.-  The data seems just as good as Propstream in the markets I tested (mostly Portland, OR and Phoenix, AZ). -  Estimated Values from Propwire are similar to Zillow, Redfin and Realtor.com -  You can search for specific properties by address. -  You can download up to 10,000 properties at a time, and I've downloaded multiple large lists.

test.

I'm testing them out on the FB group to see if I'm able to attract anyone. 

It does require excavating an alley 8ft deep, hydrojet line, backfill and bed pipe, compaction test, etc.

The perc test has already been done so it's been deemed suitable for building.

Once you have a shortlist, sign up for an account with each one and test them extensively to see how they function.