Will Investor Edge allow us to see a Demo b4 paying the $4000 to get started They will, but the demo is basically a white labeled Prop stream.

That's why it is important for you to know the basics of lending and do not solely rely on what your Loan Officer is telling you.

What is the societal value of driving down rents over time?

I'm feeling most drawn to a buy and hold rental investing strategy and like the idea of the BRRRR strategy in tandem with VA loans, basically refinancing VA loan backed mortgages to conventional loans once there is 20% equity in the home.

Her income now is SS of around $2400 and a basic 40hr office job that pays all of $17/hr, but she is retiring with this move.

To me, having one mortgage payment for 2 - 4 houses (basically) always seemed interesting and like something that would give me more bang for my buck. 

If you haven't already, try going off market, driving around neighborhoods that would be of interest to you and finding ones that fall into your criteria (your agent should be able to help you as well).

Feel free to reach out to me or send me an email I can walk you through the basics and go over what is required and what to avoid.

Plenty of opportunity within driving distance. 

It will familiarize you with the basic terminology and benefits.