Van Etten participates in a multi-level marketing program (MLM) selling nutritional supplements and other products, recruiting others to sell, too.

Pyramid schemes are an illegal form of multilevel marketing (MLM). In a legitimate MLM program, distributors earn commissions on their own sales and those of people they recruit into the program.

If you've ever gotten a message from one of those former friends from high school offering you a "once in a lifetime business opportunity," odds are you've been exposed to a multi-level marketing ...