The promised Mayan train route is an election promise from a populist leader.

Is it engineering-based?

Detailed Engineering Approach from Actual Cost Records2.

Having engineers complete and back your study goes along away and minimizes errors. 

Did you do a self-assessment / engineer-assisted model, or pay for a full engineering study?

.- I recommend finding a CPA who provides proactive tax planning.Translation: It's me who I highly recommend.Code phrases:- Bookkeeping is where all your tax benefits start- I recommend you work with a bookkeeper focusing on investors- You definitely should outsource your bookkeepingTranslation: I'm a bookkeeper.Code phrases:- Cost seg will definitely help you save on taxes- You definitely should consider cost seg- I recommend a full engineered cost seg study- The IRS only accepts engineered cost seg studies- I recommend you obtain a free estimate from a cost seg firmTranslation: I'm working for a firm doing full-service engineered cost segregation. 

They're designed specifically for residential investors and deliver engineering-based studies for lower price.

It’s like cycling through diets: hope, effort, disappointment, fatigue.I’ve been a data engineer for nearly three decades.

I saw some inspection reports that state things like "a qualified electrical engineer will have to evaluate for repair".

Professional studies include site visits, engineering analysis, and detailed component-by-component breakdowns.