Obviously it's good from a nature preservation point of view but it's a very different from an investment point of view. 

It's probably unlikely anything too bad would happen excluding natural catastrophes but why take the risk if the profit potential isn't there?

Registration is only permitted for legal entities, partnerships and natural persons who are 18 years or older.

Welcome to the BP Community and most folks I know that are in your same situation with properties in 1 or more LLCs end up refinancing those properties into DSCR loans (instead of HELOCs) to extract the cash they need for their next acquisitions.

What ROI do you need to justify the liability and active nature of owning a rental property?

Licensed contractors have more of their "shtuff" together and thus are better at their job and naturally will cost more.

The existing number of vacation rentals are so far over those caps that anyone who gets on the wait list today will likely wait 5-10 years before they're up for a permit.I do think this is the natural progression of what is still a relatively new industry.

Just a nature of the game. 

However if I do a BRRRR I can achieve infinite return by extracting all of my investment.

This is largely due to the fixed nature of ongoing maintenance costs, which become proportionally more impactful as the park size decreases, thereby inflating the expense ratio.