Not saying that your post is that, but I see a lot of that in general. https://twitter.com/Wildlaw406/status/1689395078589276160 Generally the legal interpretation to my understand that the word "primary" means >1/2 the first year needs to be reserved for personal use

You have clearly come to the forums with your mind made up, so I'm not sure why you posed the question to begin with.I will spell this out very clearly to be sure that nothing is up for interpretation: Option #3 is a bad plan. 

The "trade" has been interpreted over the years as real estate supporting a business. 

The way I interpret that is an unsecured loan not tied to a property or anything else.

If so, how are we wrong about our interpretation of the guidelines? 

I confess to using content from his posts to enhance my own.As you explore Cost Seg, the following should be helpful to you.How to interpret a Cost Seg Feasibility Study and Cost Seg ReportA Cost Segregation Feasibility analysis can be a pretty "noisy" document, so you need to know how to cut through the noisiness to focus on what actually matters.Your actual ROI on a Cost Seg Study may be HIGHER or LOWER than illustrated on a Cost Seg report.What is the "bottom line" on a Cost Seg report?

They are not black and white with no interpretation allowed.

For some reason it looks like your reply comments deleted, because I read them earlier but now they're gone.If I interpreted your theme correctly, it's essentially a waste of time to pursue most C class mid size apartment complexes in the flyover states and SE US.  

Learn the ACTUAL laws and most importantly how to interpret them, excellent job on the 16K profit!

More importantly is how you interpret and USE that information.