I am not sure if this is something that can be easily quantified.2) Even if you are only a partial believer in efficient market hypothesis, the idea of the top-5 turnkey companies is problematic.

It's hard to quantify unless the hml has done hundreds of loans.

http://www.zerohedge.com/news/thousand-pictures-worth-one-word-worthlessThe DJIA as priced in gold is back at 6500, and as gold rises and the Dow drops, in real terms the dow is loosing money.Somewhere in there is inflation if you want to figure out how to quantify it.

But, that doesn't mean others aren't happy with those levels of returns.The point is, using some basic math, we can quantify the returns you're likely receiving. 

A brand is the story of a company, and gives the company a purpose and a foundation.When creating a brand you need to be able to explain the benefits of the company, what differentiates you from competitors, and be able to provide quantifiable proof to your consumers.

All in all, I know a lot of people doing great without university degrees; however, I think universities have their place in society and some of its benefits are too intangible to quantify. 

There is no way to quantify the value and momentum created by purchasing your first deal.  

@Walmsley GedeonI am an aggressive investor but only with risks I can quantify (ie.

Attempting to provide the definitive answer that you were hoping for, including capex, tenant quality, rent increases, ect is just too intensive because nobody can predict the future that accurately over 30 years, or even quantify what a dollar amount that a higher quality tenant will save you ect. 

To add to @Mark Vejnar's comment, it is very difficult for an appraiser to qualify the level of improvements because they haven't necessarily done home inspections on the comparables.For example, how would an appraiser quantify a $5000 new sewer line?