Check rentometer.com for pricing to cross compare to the other data sources. 

If you cross major roads you will be in a different subdivision and find big fluctuations. 

At last count I had 74 ways to find motivated sellers.

So, I understand that you shouldn't count on appreciation when valuing a property for investment purposes, but I'm wondering if anyone has done extensive research and attempted to project the value of SFHs in rural areas, but especially Appalachia?

Trust me that has crossed my mind a lot which is why I asked.

I'm starting on a zero budget and need cheapest bandit signs AND a phone service I can count on. 

Underwriters will count the income of the other three units IF they are currently occupied and producing income.

So really it's a 3 person team, counting myself and wife as 1.  

I was wondering if any one out there has used the VA from USAA and if they counted the 75% rental income to couple with their job income?

So ultimately you would have to decide if your willing to take on 4 more tenants for $175/mo and the deciding factor for me would be how well the market I'm in is appreciating at this time but counting on appreciation is a little bit risky imo.