If you ever decide you want a more passive approach, there are turnkey companies out there that handle everything for you.

3) Any specific states you recommend to set up any of these (Not sure where I'll be purchasing property yet, maybe Detroit, maybe Cleavland, maybe Augusta, maybe Des Moines, maybe Saint Cloud, maybe Memphis...)4) I already have a LLC based in Hong Kong (We call them limited companies, but the principle is the same).

FInd a good old school General Contractor and forget these engineers.

Usually having a servicing company helps the lender to consider that.  

Do you guys think there will be regulations that will be created around this that might affect those companies, or worse smaller businesses?

However, after he saw the quantity of ADU applications come across his desk to plan check he went out and started his own consulting company.

I currently work remotely as a Manufacturing and Quality Manager for an AI infrastructure company based out of the Bay Area. 

Not affiliated with either company** 

Quote from @Garrett Brown: Thank you, it is from a company called OOD for the mirror house and then everything else we build around it.

Do you have a property management company you use?