And the city is making a big push to attract startups focused on "mobility" not just auto.

We still own a couple of mobile home parks together and a triplex.

Would the buyers/borrowers be purchasing with the intent of putting a mobile home on the property and making it their primary residence?

So, hot Zip codes, don't touch or you'll get burned.

Sadly, the place burned to the ground back in 2016.

HOLD & REFI - The improved cashflow (I have one lender saying he could get me into a DSCR loan at 6.5% which would 3x my cashflow) is enticing, but I'm don't want to risk anything especially having been burned once and would prefer to be on the up and up. 

If you get greedy and put #3 in front of #1 or #2 you can get burned like any other market. 

1.Zoning and Land UseUnrestricted Areas & Mobile Homes:How can I determine if a piece of land is in an unrestricted area or suitable for placing a mobile home?

I'm originally from Florida and jumped into real estate after burning all the boats. 

Quote from @Shaun Ortiz: One thing that keeps coming up is how some investors start with BRRRR but eventually shift to other asset classes—self-storage, mobile home parks, even commercial spaces.