You are way ahead of your peers who think they can scale and quit at 20 so great job.Go to real estate investing meetups, as many as you can, and meet other investors and ask good questions.

Any ideas how I can help these houses run smooth?

I specify that it has to be at least 1000 square feet (SF) (bigger the better), it doesn't have to be a 3+BR, but if it's not and at least 1000 SF I can convert it to be a 3BR.

This can range from as little as $12k up to $150k.

I can tell you from personal experience that it’s helped my wife and I save and make thousands of dollars. 

If you live in the property for at least two years, you can sell it without paying ANY capital gains tax (unlike traditional flipping).We've done this a few times, but almost every time, we end up keeping the home as a rental.

A DSCR loan requires personal guarantees, so it will not work.Can we find landers that can extent financing based on the value of the asset only.

You can do it with putting in only the one rent you will actually connect.

Apartments.com is fine when your tenants can get things set up.

We are looking to gather up as much knowledge as we can and are looking for recommendations.