With the gig economy in full bloom, 'side hustles' are becoming more and more popular among workers.<br />But according to Business Insider, some side hustles are actually too good to be true. In fact, they're scams.<br />One still making the rounds is envelope stuffing. It's really just a pyramid scheme, and should be avoided.<br />Another is paying a fee to a company to learn how to make money taking online surveys, which is a complete waste of money. <br />