I am just here wondering how rich OP is considering he is thinking about buying real estate properties in different countries. Usually people tend to just buy real estate properties in their own country. Probably for easier maintenance and surveillance.

It also helps that you are most likely to be aware and understand of the laws and everything legal matters in your own country where you are a citizen of. I am sure there are some peculiarities when you buy assets in a country you are not a citizen of and that sounds like extra work.