My new article for BiggerPockets is up and it describes the entire process of purchasing a portfolio of 26 properties (32 units) about six months ago. Anyone interested in buying portfoilos (or real estate investment in general), should check it out.
In it, I discuss the two major ways of evaluating portfolios:
"Every day is a new life to the wise man."
The Righteous Mind
Star Slate Codex
Consulting by RPM