I love algorithm based cost seg studies.

I do cost segs on every property I buy and I benefit from those studies in the form of significant tax savings (I use an inexpensive algorithm based study, DM me for the name). 

I use DIY cost segregation algorithm-based studies.

Quote from @Lee Ripma: @Sean Pedeflous - I have not personally used this company but they have an algorithm based rapid cost seg which is similar to the two others I have used, KBKG and DIYcostseg.com.

Explains the whole process, provides checklist, algorithms and resources for many things.

Or has Airbnb suddenly changed its algorithm one week ago?!

Had to hire engineering firm to conduct study.  

Is it engineering-based?

Detailed Engineering Approach from Actual Cost Records2.

Algorithms rewarded confidence, not competence.