Your accountant is critical to help you evaluate if a .1031 will benefit you. 

If you use an application designed for landlords you'll get some critical features that you won't find in a general accounting platform like Quickbooks or Excel. 

That being said, I think it is up to the listener/forum user to be able to critically think about the content they are consuming.

It's critical to choose a strategy that works for him.

I'd say the critical component to securing a worthwhile multi family investment (and any real estate for that matter) is timing.

Constructive criticism, if received, is always a good thing. 

Something that doesnt change the critical path to getting the project done.  

Location could be critical to your goals.

After reading your thought-provoking post and responses, I felt compelled to contribute some additional insights to the discussion.While the existing advice holds merit, I want to underscore the critical importance of strategic location selection in real estate investments.

When levered, I find it critical to be able to enter into an investment cash flow positive and underwrite it conservatively.