Investing involves risks and rewards – and usually the higher the risk, the greater the potential for significant gains and losses of invested equity.

Please note that there are numerous "tracks" of additional education for you to peruse on a variety of topics. 

It rewards those with unauthorized tenants not on the lease.

Hey Steven Luttman the four unit has gone good, it cash flows nicely right now its actually on the market and I have gotten numerous offers.

There are numerous examples of this on the site here.

Also if you are doing flipping, in which case I suggest you look into Series-LLC and you operate each flip in its own child-series (if not clear why, ask for more details).I spent numerous hours researching from multiple sources the whole LLC question and asset protection matter and all the rabbit holes it opens.

Everyone has their own risk/reward tolerance. and knowing me being a very conservative person, I really  like your idea on how you go on buying your rental properties. 

Numerous of strategies in real estate investing not only the conventional way.

I don't know many investors that enjoy kicking tenants out or forcing them out with major increases but you need to run these like a business if you want to enjoy the rewards of a business.Determine market rate and bump them.

There are numerous ways to get involved as a passive investor via syndication.