Given your experience with RV parks and MHPs, you already have a strong foundation for managing mixed-income streams, which will be valuable here. 

I initially looked into Baltimore, but after some research, I noticed the population has been steadily declining, so I’m not feeling as confident about that market. 

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My wife and I self manage a mix of short, mid, and long term rentals.

I love how you mixed the metals too.

. :)I would add "Is there an ideal avatar that you are looking to serve" to the mix. 

I called the zoning department and they are telling me this is a Mixed use building (N zone).

Even if a property cash flows $500 per month usually this cash flow will be eaten up (when a tenant moves out, when something breaks, etc. )And I am asking other people for their experience, if they feel the same wayOK. 

For the mixed-use building idea, you’re right to be cautious about vacancies as a remote investor.

Quote from @Daniel Baker:  You are mixing apples and oranges.