The cash flow I am seeking has to sustain someone to deal with the headaches for me.

Modoc County, specifically.By off-grid I mean self-sustaining.

I'm not in Houston, but there is one thing that always resonates with me as an investor that's often said on BP.

say i get enough capital to do 2 100k homes a year. take that 4,000 and make it 8,000 a month of income.is there any other ways to sustain that kind of income with the with the way i would like to do it (2 bank accounts)?

You will incur greater financing costs but if you set up a system that is self sustaining then you will be better off in my opinion.  

A self-sustaining, functional, and community improving entity that allows me to not have a NEED to work.

If so, you may not be able to sustain a hotel rental as suggested by @Bjorn Ahlblad.

My second question is how to sustain my capital.

Its great to hear that it resonates with you.  

In previous purchases/refinances, I would just get an e-mail or a phone call from an appraiser who did a drive-by (if that).Though somewhat driven by investor-demand, I believe the current price increases are more-sustainable because there are more factors that make it difficult for buyers to take out a loan on a property they really can't afford, or take out a loan with an LTV greater than 100%.