I learned so much from the course and PCS, and I'm claiming all of my cost on my taxes.

These methods include: Detailed Engineering Cost ApproachDetailed Engineering Cost Estimate ApproachSurvey or Letter ApproachResidual Estimation ApproachSampling or Modeling ApproachExperience or “Rule of Thumb” ApproachIt’s important to understand the differences between the approaches including which one best fits your property and the reliability of each approach.DETAILED ENGINEERING COST APPROACHThis approach compiles the costs from construction and accounting reports to build a report.

WHAT IS A COST SEGREGATION STUDY?

There are very few instances when cost seg won't help you on a rental property, but when you deploy the actual cost seg will depend on what you need on your taxes.

Yes, the BRRRR method can work with multifamily properties, and many investors have done it successfully.

Beyond the bedrock issue, soil conditions can be costly if the property has problematic soils such as too much silt, deep topsoil, or extensive wetlands.You'll also want to know what ordinances are going to affect your budget - things like tap fees, tree ordinances, storm water retention policies, etc.Bottom line is that you have to investigate ordinances, off-site conditions, and on-site conditions before you can even begin to budget your development.

Does Hard Money typically cost 30-40% of the purchase price?? 

That cost me about $1,000 each time. 

Most cost segregation firms will provide a free cost/benefit analysis quote to help you determine if the tax benefits from the study will outweigh the costs.

I would highly encourage paying a GC to walk deals out the gate, have them give a scope of work so you can see what items costs.