Case Study: $50,000 Per Year with Newsletters

First of all, I’ve got to tell you that the $50,000 a year number is crazy super conservative. This gal Judy is earning more than that, but I wanted to make it realistic looking for even the newest marketer.
Okay, how does Judy (not her real name) pull in well over $50,000 a year with a monthly newsletter while spending only about 10 hours on it per month?