Simply because something is "often done" doesn't mean it is legal or "safe".

If someone was living in my personal house and not paying/stealing/staying past their lease, I'd simply grab their stuff and toss it in boxes and put it on the porch when they're not home and then change the locks...

(or go to the BP you tube channel and search How to Analyze Real Estate Markets)

In my case of the owner occupied rental property, is the 750k(mortgage interest tax deduction cap) and 10k (property tax deduction cap) applied to my portion of the property only and can I simply deduct the rental portion's (whole property - my residence portion) mortgage interest and property tax from the rental taxable income regardless of the cap I mentioned?

Structure depreciation is simply the value of your structure split out over 27.5 years.

I looked at Baltimore simply cause it’s the next stop on the Acela corridor and happened to see some properties that looked like they could cash flow (though I know that can be a bit of a honeypot).

You can find out which banks have an appetite for mobile home parks by asking the MH/RV brokers in your area, networking through other owners of parks in your area, or simply obtain list of the smaller banks and CUs in your area/region and call them to see if they have lent on parks in the past.

Non-owner occupant requires a type 2 STR license and they simply are not giving those out right now.  

You'll do better than inflation over really any period of time with well-managed and diversified investments made in static acquisitions, but you won't make real money unless you have the skill and capital to pull off 1a or 1b.I for one have been very reluctant to learn about blockchain and the market luckily I have seen how it simply affected the stock market, take BTCS for example.

Which means you can simply have people with money staying put or off on vacation while more and more people are looking to buy their first home and get out of apartments.