The top 20 richest people made their wealth in Retail and owning shares of a blue Chip company such as Jeff Bezo's ($112 Billion) who is the first to be worth 100 Billion. 

Simulation which is how Deep Blue beat Kasparov at chess.

Of course, property values dropped in 2008 like they never did before so there are always exceptions.If you talk to the investors with decades of experience, they'll tell you that the blue-collar rentals are usually safe.

And (my own bias showing perhaps) I think thats far more likely to happen in blue states.

It's in an older blue-collar area of my hometown with little to no crime.

Every blue moon they'll feature a DeKalb property. 

I am a blue collar worker looking to make a better future for my family through investing.

I know computers, not so much the blue collar skills that I so desperately need. 

Met up with the seller out of the blue and he mentioned the idea of selling his house.

So I pass away the boring hours in a car listening to music, podcasts or audio books which lead me here by chance.I listened to a podcast about a month ago interviewing Tai Lopez, just out of the blue.