However, the average lifespan of companies is 10 to 18 years, so every private-sector job your tenants have will eventually disappear.

Here's an article with things to consider when selecting a cost segregation company.

In those cases, the title company guided us on the necessary steps to resolve the title issues, and we did whatever was required to close the deal.

Sounds like your 2 previous companies didn't know what they were doing.

If you want to be mentored your best bet is to go work for a company - most CRE is not a single individual and CRE is fast moving and things happen fast and you can't structure a "follow me to learn" without working for someone 

Call some local HVAC/Mechanical companies and ask what the average cost would be for this upgrade! 

I am also wondering if anyone has any expericene with smartcoin box company?

Quote from @Brandon Blackmon: @Bruce Woodruff 100% the answer I'm looking.... a solid GC, has a 20-25% markup to I would for sure know going into this that these are private companies and they can set their own fees. 

I know it’s more difficult to sell this so I’m looking for a company or group of Investors that would be willing to buy as is.

@Jason Brown - I'm a CT based investor, flipper, and property management company owner.