Then approach that person and ask them if they would be willing to mentor you for a specific length of time, for a set fee, with measurable results ( the best result is doing a profitable deal in the new manner you wanted to learn).I would shy away from individuals who are affiliated with TV Realty stars or self-styled Real Estate "gurus." 

It is great to be in a store and have a list of items needed, pictures, and measurements on a device I never go anywhere without.

They came out and measured then ordered a new low-e dual pane panel and l ater came out to the house and replaced it in like 15-20 minutes.

The only sign of the  long term weakness is the measure of,  "can the average worker afford the average house?"  

., would I just take the last 15 bookings for each of the 2 units as a time measurement, and then average out how well they did?

Not perfect by any measure but as I get into it more I know what I’m looking for 

What are the preventive measures you are taking to make HVAC less of an issues?

That's what you have to ask yourself.You should order a copy of Frank Gallinelli's book, "What Every Real Estate Investor Needs to Know About Cash Flow...and 36 Other Key Financial Measures." 

They mainly take measurements, photos, and make note of different features that might affect the price.

To be certain, forensic cost segregation studies will be an extremely important measure to consider applying to your next acquisition or construction project.Questions?