How do you think these trends will affect them in the states with declining populations?

The general rule of thumb when using debt is to ensure that whatever asset you buy with the debt should make more than the debt service.  

No maintenance unless it's absolutely necessary and I make sure to charge the tenant if they are in any way responsible. 

Working to systemize this business to run efficiently with future limited supervision to then take the cashflow/profits to continue investing in building our long term rental portfolio as well as invest in other business endeavors.

I am looking at Carrollton ga to invest in long term rentals either SFH or small multifamily.

Quote from @Saquan Johnson: I would reach out to local rehabbers in that area and also higher-producing agents to get this info.

How do I use that one property to acquire a second and how do I go from 2-3 and 3-4? 

I would appreciate any feedback or advice on how to navigate this situation.Thanks in advance!

@Brandon Le welcome to BP.  

So, I started with a couple build-to-rent homes, then a couple more, and then felt comfortable to build a mini development.