@Eric Stewart no offense, but this is what happens when you don't do enough research before buying a rental and DIY managing.https://www.biggerpockets.com/forums/88/topics/1106522-1st-r...Why didn't your agent Collin educate you about all this? 

It's a DIY course.

Seek guidance from end-users/landlord upon DIY water submetering for triplex unit.

I self manage so realistically it only applies to us DIY landlords.

On the surface cost seg can seem simple enough to DIY.

There is a time and a place for a DIY cost segregation study rather than an engineered cost segregation study. 

This isn't a $100 lego kit you are building this is a 1.5 to 2 million dollar home and have no idea how to build one. 

@Michelle Curran - Here is a CSS Decision Diagram flowchart intended to bring together all the various questions when assessing the benefits of a CSS (via a professional or DIY).

Do you like any DIY projects or is hiring a contractor your thing?

@Henry Hsieh typical penny-wise, dollar-foolish approach.Investors make more money finding deals than they do pinching pennies doing DIY management.Or, is your time not worth much?