We all know at least one person who’s relentlessly tried to pitch us their multi-level marketing (MLM) “opportunity”.  You may have even attended a pitch party or two (even if it was just to be a supportive friend). Whether it’s Avon, Mary Kay, Herbalife or Amway, the pitch usually sounds something like this: “Do you want to take control of your life and be your own boss?  To empower yourself and earn extra income?  I decided to transform my life, and you can too.” It sounds too good to be true… And that’s probably because it is. While the products these companies pedal may vary from cosmetics and health supplements to vacation packages,…