That leads to my next point which is how plaintiffs and equally as important their attorney  are compensated?

You can search on Google, attend REI meetings, or explore Facebook groups.People invest a lot of time and energy in generating off-market leads, and connecting with reliable, reputable sources who supply quality deals can be a game changer.

Personally, I have found occasional private lending to be a good networking tool and lead generator for what I'm really looking for - properties I can develop. 

I looked up launch control, batch leads, and a couple of others.

This creates a negative initial position.

Insurance rates stand to rise dramatically, so the question is "will the insurance rates go up enough see rentals go into negative cash-flow situations?"

What works best is sticking one one marketing channel, and keep doing it.You will get the higest intent to sell leads through inbound marketing lead generation such as TV commercials, online form submission leads, direct mail.

My thesis was that this would lead to increased investment in the surrounding neighborhood and home values would increase.

This could lead to a huge tax bill and penalties at the end of the year. 

We manage our showings using Buildium and Tenant Turner, which integrate seamlessly for handling leads, scheduling showings, receiving feedback, etc.