There are external forces that will affect this market, though.

And for our Airbnb at our home I built steps leading down to a walk out basement that will allow external access to one of our spaces.

Lets see what happens when the external stress comes off.There's millions of people who have always wanted to live in NYC but were priced out.  

We have profitable businesses whose business plan is to push huge costs onto the public, externalization of costs, in the form of public assistance as they put mainstream employers, who once paid healthcare and retirements, out of business.

"-----------------------------------------I have not read this thread so I am sure lots of others have said what I am about to say: Your problem, in economic terms, is externalities.

You might want to check in your area if a looping external camera that goes to a cloud online is allowed and can be installed on a light post,etc. in your yard.5.

Double-check the current laws, but here's a flyer I found from the San Diego Apartment Association from 2016, to give you an overview:https://web.sdcaa.com/external/wcpages/wcmedia/documents/White%20Papers/Compensation%20Wages%20for%20Onsite%20Residential%20Apartment%20Managers%20-%20August%202016.pdf

I also have a backup external hard drive for files/docs that I need to have local access to and am using a cloud based backup system for off-site backup of all my docs.

Given that each turnkey provider has their own established PM, whether in-house or external, is there any downside to having my properties managed by 2-3 different PM's in the same market?

Stocks, Bonds and Real estate were bubbles set to pop or correct without any external event.