There a number of good references on this site.

Having my savvy husband on-site made ALL the difference!

The only exception is for on-site managers, like you'd find living in one unit of an apartment building and managing the building on behalf of the owner.

I found a property on an auction site that I'd like to bid on.

I put supplies on the job site.

Most values for this metric on this site are like 0.70% (Watertown NY for example). 

We're also starting to scour other forums for possible investments outside the traditional MLS sites, and other areas like upstate NY. 

To set the scene: A cost seg study breaks your property into two important categories:1250 "real" property aka the building, foundation and other long life assets.1245 property aka anything that can be accelerated such as 5, 7, or 15 year property like carpets, cabinets, or other site improvements.

He doesn’t teach you anything that can’t be found on this site.  

Until you get better clarity on those answers, you are more likely gambling instead of investing.