You still need to find the right people. There are a lot of good, honest, hard working people on the lower income, lower skill scale but there are also a lot of people who are in the position they are in because they continuously make poor decisions (in life and work).  

Yep, most of his employees are born again convicts.

k00b

They are amazing businesses. Really hard to scale but have nice profit margins and generally fairly low overhead (you don't need to hire 10 engineers and give them a fancy office to work in). If you are willing to learn the business and work hard you can make a very nice living. 

grayruby

culture

What's the weirdest paying job you've ever had?

I love those kind of businesses. My uncle-in-law bought a similar maintenance business in California targeting other businesses.