It is a good illustration of the relationship between risk and reward.  

I could have easily picked a hundred other places but just used it for illustration.

I see comments like this all the time (not picking on this particular post, just using it for illustration).

That being said ... it needs to be understood that not everyone can be an investor or run a business as the book illustrates ,not everyone can have the mental ability and  skill set to achieve what Robert pushes .

@Andrey Y.For more full context, the example was from Crushing It in Apartments and Commercial Real Estate by Brian Murray and was used as an illustrative example in the Cash-On-Cash Returns section.

The following examples illustrate the provisions of this section: ...Example 3.

(crazy scenario and not likely to happen but illustrate the point of leverage) Then there is OPM tax benifits, putting 3-5% down instead of 20% and a whole slew of other things I wont touch on for a thought experiment.Other hand, you buy one duplex, 20% down $100k purchase 750-ish mortgage.

I went off on a tangent of my goals, but I felt it best to illustrate where I came from to where I want to go and because of these podcasts that I listen to almost daily, I feel ecstatic about getting there even though I feel alone in this in my home.

The numbers we used are typical for Single Family projects we've been involved w/ on Chicago's southside & we used them to illustrate the art of the possible.  

To use some sports parlance to perhaps illustrate the point, if it were a boxing match, the scorecard would read:  10 - 4 in favor of Irvington (i.e. not even close).If you look at some of the listings from the online sources for the Highlands neighborhood you reference, you would/could consistently find single-family homes which have sold below $20,000.