Because they are notorious bad pay, and they do stuff like hide piles of trash in scrap metal containers.

Sellers are notorious for not disclosing.. 

Jacob,Be very cautious trusting Zillow values, they are notoriously inaccurate.

What he didn't understand is that the municipality where this house is located is notoriously difficult to work with.  

If I was determined to buy on that side of town, I would look for areas patrolled by Cheviot PD, Delhi PD, Green Township PD or even the Hamilton County Sheriff (although Sheriff's departments are notorious for delayed response times due to large service areas/few deputies).DL

First off, never depend on the Zestimate - it's notoriously wrong in TX, b/c we're a non-disclosure state.    

The Kansas City school district is notoriously poor which is another reason you want to be in the suburbs.

I could write a book on this. 1) SQUATTERS - Detroit is notorious for having squatters all over the city, even nice areas.

The returns in these areas can be good, as you stated, but they can be notorious for tenant issues.

Some landlords are also using AirBnB as a way of taking back apartments from deadbeat tenants, who are notoriously hard to evict in New York.