No more than you should become a master electrician, master plumber, HVAC tech,  insurance agent, loan officer, and maybe other licensed people.   

Don't be the person that you can see taking a cell phone photo in the bathroom mirror :) Most importantly, reply quickly when people reach out with interest.

I have seen COUNTLESS people get a head of themselves on this platform.

I always try to treat people with respect and that includes everyone working for me.

If we don't, what will other people think of us?

I am learning all I can and I can't wait to start collaborating with all the great people on Bigger Pockets. 

Mine was in such a rough area I couldnt find people to handle it. 

If people want to live off cash, that's fine.

But you are having to interact with people - and hopefully you do that with the same respect you would want if you were the one renting, versus buying.  

People are doing it, so presumably it works.FWIW, I invested in Japan for a few years, but lack of rent growth, lack of appreciation, concerns about natural disasters, and just general lack of confidence in the J market led me to shift focus only to the US.