Can't you perform better buying 50 units in a market that perhaps has a higher cost of entry but due to better fundamentals experiences significant appreciation?   

Your outdoor setup reminds me a little bit of this classic movie scene:https://www.youtube.com/watch?

Most lenders, including us, consider both ARV and Cost.

Current zoning would prohibit the whole setup actually, but the building and commercial use are allowed to continue as-is because they predate the town's incorporation in 1993. 

Also recognize that construction costs will be 2-3x more expensive in this area than they were in Pittsburgh so be careful and make sure to understand pricing before going into a rehab. 

I have never lost an eviction case.The typical cost of eviction, including serving the Writ, is almost always under $500.00 and accomplished in less than 30 days.

That cost could force you to walk away.

If you had the capital for the down payments, reserves, closing costs, etc., would you advise buying 4 SFHs or 2 duplexes.

Hello Paul,I think you need to look into the world of DSCR Rental loans, most of these loans are set up on 30 Fixed rates, you can also do hybrid Interest only loans as well. 

Otherwise, I would check with your local zoning/planning department to confirm that you can add tiny homes to the property and what inspections/septic systems need to be set up.