Any revenues generated from selling the subsidiaries would flow into the Parent company (If I am missing something please let me know!)

He is working with a new generation of buyers, those that cannot source multifamily and typically 1031 exchanging from a small coastal multifamily into a larger flyover mobile home park.

What else do you guys do beside direct mail to generate leads?

As long as you can make the payments and generate both Cash on Cash and IRR that meets your goals, it works.

What is the appropriate way to withdraw profit from the LLC as it generates revenue beyond expenses?

My Facebook pages help generate a LOT of business.  

My plan is to be able to work part-time with my currently employer within a year and full time as an REI within another year.

He is not very knowledgeable on how to invest it after retirement so is leaving it up to me to help him with that, and I feel that Real Estate will generate much larger returns than the stock market.

If you have the capital to do it, buy the investment with a bank note. when you buy your home, show them the numbers that your income property generates income, has a lease in place, and demonstrate your potential. 

This is where most of the county's population growth is going to be channeled for at least the next generation, as a main part of the overall regional planning.