If your starting with one 6 plex and plan to keep long term.

Always have a clear exit strategy, whether you plan to rent, flip, or sell the property down the line.If you or your son are looking for more hands-on guidance, feel free to reach out directly.

Entire US industries have been decimated due to an exploitative trade imbalance.

If neighbor says they own it I would tell them I plan to construct a new one next to it on my property line even if I needed to lose a couple of feet of yard. 

Strengthen Your ProposalDevelop a Business Plan: Include:Vision: Your goal of creating a micro-home community.Market Research: Show demand for affordable or small-footprint living in your area.Financial Projections: Break down costs, ARV, and anticipated ROI.Experience: Highlight your previous fix-and-flip and demonstrate your learning curve.Present a Solid Development Plan:What is the size and scope of the project?

I know I can get an insurance plan, but is it worth the headache?

Syndicates that used lower leverage points and have far-out maturities (such as 2029 or later) are likely to survive as long as they don't run out of cash to maintain the assets for longer-than-planned hold times. 

@Bryan Zayac  In PA, there is a state document called the Municipal Planning Code MPC. 

I recently purchased a 2 unit property as owner occupied with one unit already rented out. 3 months after closing, I was laid off due to a restructure at my company, so I decided to rent out the other unit my girlfriend and I planned to live in.

Make sure you check the local ordinances / zoning and talk to the local administrator to see if you can do what you are planning.