I will just cover some of the basics that I have learned.

I would love to hear your thoughts and insights and eager to learn and contribute to this discussion.

Lessons learned?

Then use a small chunk as "learning money" so if you don't lose it all, it won't be detrimental.

Cost segregation can be a complicated topic, but I tried to break it down and make it easy to understand!Here is a newly created resource on BiggerPockets, which touches out cost segregation, accelerated depreciation,...

Don't fall into the trap of endlessly learning about the topic. 

I still own this property and in only 4 years the value increased about $100k with cashflow of $1000/mo Lessons learned?

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Section 8: Rents are too high for the program and cash paying tenants are better overall.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsSection 8: Rents are usually too high for the program.Class C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Its not the best for beginners but you can learn a lot.In addition to the due diligence risk, you need to pay for the property on the spot, upfront cash or cashiers check. 

There l also learned to do commercial job take offs and estimating.