Required good credit, adequate reserves, full doc commercial loan with a personal guarantee.  

Explore my personal favorites, Set For Life by Scott Trench or The Total Money Makeover by Dave Ramsey, for invaluable financial insights.3.

Ask your employer if you can have your pay split up into three deposits, one to investments savings, one to your checking account for personal use on a daily basis, and one to an emergency account you can tap into so you don't have to tap into your investment savings.

This is a very personal question that is difficult to answer. 

Tell me - someone selling their home to your son, Subject-To - is this a person who has made good life choices? 

I have known and worked with Matt for years.I have attended his training and hired him as a consultant.He is hands down the best at what he does.I have personally raised over $50 million for my hard money lending company.I am grateful for a lot of people who helping me with this success and Matt is at or near the top of that list.

Are you able to go there in person to build your network? 

I was thinking if I can talk to my neighbor about sharing the cost (I, the landlord, personally provide labor and my neighbor provide material (e.g. fence pickets)).

So they price those homes at what a willing homeowner will pay for their personal residence.

Just be mindful that you can't 1031 a personal residence but it might be eligible for capital gain exclusion from section 121.