Also Filtering the data thru as many filters as possible is important too. 

I was actually queried by the IRS and because I am very careful about not touching those funds directly (I don't have SDIRA LLC or checkbook control like some SDIRA companies are pushing), I cleared their query easily.

If at a future time he wants to move out and be removed from the lease, you can make an addendum that can easily remove him.

Craig's List has listings for properties where the landlord can't rent the property...also not a good place for rental comps.Rentometer is a very good place, but you need to learn how to filter in/out what constitutes a comp.Analysis is based on numbers with $$$ in front.

BUT if you live somewhere w/out rent control you could do this QUITE easily, but those are the numbers I use to see if properties 'work'.

I can easily get thicker walls for better energy efficiency.2.

Investors in business are business people, they invest in what they know or what they can easily understand.

I also remember easily getting a Maryland tax assessor on the phone when I had a question on another matter three years ago.

You have to get amazing deals in order to make up for the cost of a contractor which is easily 3x the cost of materials.

I think finding a cpa close to home would be pretty important to so you can easily access them.