Yeah, the irony is the locals are the ones that will miss the not on the Detroit opportunity. 

I am always ready to talk local residential real estate.

Explore articles, forums, podcasts, and connect with experienced investors who have gone through similar journeys.Understand Local Market: Research the real estate market in Missouri, especially in areas where duplexes are prevalent.

Not at all.I've been answering questions on here for 10 years without ever asking for business and have made 1000s of friends and helped 100s of clients close deals on investment properties.

When the SHTF, The local bank, and the online bank may  be more likely to  fail.

You'll need reliable local contacts, such as a cleaning crew and maintenance professionals, who can handle on-the-ground tasks.

I have 4 local STRs but pay a PM so my return is not significantly better than LTR.  

A great way to network and meet people in your local community is to attend in person meet ups.

The answer will be dependent on your fact pattern, so a general forum like this may not be able to answer such a broad question.With regard to the LLC structure, note that CA does not recognize series LLCs, and CA tends to have a broad opinion of what constitutes "doing business" in the state, and therefore, what LLCs need to report with the CA Secretary of State and file appropriate tax returns. 

Like you said, it's a hospitally business.