Network marketing is a type of business opportunity that is very popular with people looking for part-time, flexible businesses. Some of the best-known companies in America, including Avon, Mary Kay Cosmetics and Tupperware, fall under the network marketing umbrella.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
