Do you remember those old Tupperware parties from the 1980s? Your friend invites you over to their house for food and drinks, and to buy really cool gadgets, like plastic food containers.
You go over ready to have fun, and maybe buy something for your home. The next thing you know, you're buying your own starter kit to sell the product yourself, at your own parties.
It could be Tupperware, vitamins, makeup, or something else. It's understandable if you gave in. You felt pressured by your friend, with strangers looking on, to buy in.
Your friend has an incentive to pressure you. They get a cut of your commissions.
Those pyramid schemes, or network marketing, are very much alive. In fact, more than 18 million people are doing some form of network marketing. These days, a lot of it takes place on Facebook.