Like most other practices, this will lead to more regulations to weed out "bad apples". 

If you are seeking to change the behavior of an RV park from transient to permanent, consider installing "Park Model RVs" which if you are not familiar with, are smaller versions of a mobile home that comply with the zoning regulations for RV parks. 

if the loan is less than 100k, it gets difficult to refinance due to state regulations, even when there is substantial equity.

If your place is in Hawaii, might want to check out the short-term rental regulations.

Its unfortunate but I rather be in line with city regulations.

Please note that there are specific rules and regulations that can be different depending on what city/county your property is located in.I would suggest that you look up joining either RHAWA or WLA. 

Psychologically, it feels better to a lot of people to pay off debt and establish a clean slate before putting money towards an asset.

Most investors like Chicago because of appreciation, high airbnb potential, easy airbnb city regulations and the ARV strategies for cashing out can be lucrative.

They just need replacing so often that for any unit targeting less than established professionals I started using these.

Thankfully in our urban setting, nothing other than the occasional neighborhood cat strolling by, or the over-served patron from the hole-in-the-wall drinking establishment across the street.