Side hustles can be a great way to make some extra money while pursuing your main career. Side hustles can be a great way to make some extra money while pursuing your main career. It is something that you can do in your free time, but it is not something that you are going to want to do for the rest of your life. A side hustle is a part-time job or hobby that is done in addition to one's full-time job. The term was coined in 1978 by American author Steven Covey, who wrote about the idea of developing "a highly leveraged part-time business" that would allow individuals to generate substantial income. The term has since been popularized by the 2010 book The 4-Hour Workweek by Tim Ferriss, which encourages readers to build their own online businesses and become location independent entrepreneurs. Side hustles are often seen as a way for people to supplement their income, pay off debts faster, or prepare for retirement. Some people use them as a stepping stone towards startin