His methodology seems to work.

Here is a good link detailed it's methodology http://www.realtor.org/topics/housing-affordabilit...If I read this right, it uses Median Family Income from the Census when available,when not available, it uses the Necessary Monthly Income, which is actually calculated based on the current mortgage rate.  

Definitely bombe up on the methodology. 

I was quite surprised to see Cape Coral at the top of the list of sales to investors and it makes me think the methodology used to quantify an "investor" is somewhat flawed.  

They do not teach real estate and they usually teach only those aspects that relate to the moment, to the transaction, not the underlying methodology that allows you to understand what is really going on.

I know that you're going to read about prices and numbers that make NO Sense in our NYC market however the methodology is the same. 

I wrote it because so many people are so far off base on the proper methodology that, for the most part, is true. 

He wants the MLS to be one of his sources for deals.I am not so sure his methodology is going to work with properties listed on the MLS however.

Now, you can learn the methodology for how to estimate rehab costs by reading books, but then you have to do the leg work to actually talk to contractors, visit suppliers, practice, etc.  

Youe methodology is quite possible.