There are a ton of BP posts regarding this topic so try searching for it.

There are a few self-contained guides that you can access here: https://www.biggerpockets.com/guidesI really like the alerts feature that can quickly guide you to current topics that might interest you: http://www.biggerpockets.com/alerts

I’m currently grappling with which path / options to take and would love all your thoughts – below I have outlined some context of my situation and options.Context:- Currently own 2 properties – my SFH (which I don’t want to move out of) and a condo that is rented (currently to family members which makes it easier)- Have 150k cash + 150k available from a HELOC at 3.75% -- have more available but this is all I want to allocate to REI right now (I say this so you know I’m not being super stretched investing the 300k)- I’m open to investing locally or remotely within the US – we live on the WC approx. 3hrs from SF- My wife and I work demanding 9-5 jobs – we are open and willing to spend material time on this but cannot make it our full-time roles for at least a couple more yearsOptions – I have outlined these in my perceived level of difficulty, would also love you thoughts on that 1.

He can break the lease whenever, the key is what are the consequences of him doing so as outlined in the lease? 

This would be an interest forums topic if anyone want's to take that on, "what are potential stressors that could pop up?"

Darion, Adam and Colin, I'm a twin cities guy as well.DM me on the networking topic regarding MF.

There is plenty of discussion on this topic as it comes up frequently.  

A topic of discussion I have seen on a lot of the "you definitely want this" lists, is your own personal website.

I also wrote an entire post on this topic for Bigger Pockets that you can find HERE.  

I have looked through the archives and there are a few threads on this topic but all that I found were really old and outdated.