This implies residential units can be built at lower costs and provide better return. 11) adding an ADU to SFH can make the SFH fall under rent control.

- Value add - How much does it cost to convert Non-climate controlled units to climate controlled units?

If you have checkbook control you’ll have a bank account with a bank that has FDIC insurance up to $250k per account.  

What's the exit strategy if any, for the investor, given that, with 50%, he has no control and the market there is illiquid, especially when the HELOCs out of North American properties are much more expensive.Properties in Costa Rica are already expensive and I've tried many times to make a potential investment there work and it's never worked with the figures.

Neither VRBO nor Airbnb are vetting guests, either.The best you can do is have some internal controls, such as minimum number of nights.

california has had statewide rent control on mf units for ~5 years.My experience with rent control is that in the near term rents increase more than without rent control.

I would like to be in control of my money, so I have always gone with the highest deductible posable and maximized cashflow.  

Not that I plan to live in or even visit the US anytime soon, but I don't want to deal with winter-related issues like heating, de-winterizing a home etc. 

Delaware Water Gap is more of a weekender, but can work.

You lose all of the control and these are long term investments - but in my experience the returns match what I had on the active real estate and I am hiring professionals to manage the assets.