This is one of my favorite ways that a person could earn extra income. I have heard of people earning $5,000+ a month from a single condo listed on Airbnb.
Did you know there is a platform that allows you to rent out your vehicle? In effect, starting a miniature car rental company?
Suppose you enjoy writing and have a passion for a subject. Then, starting a blog could be a great option for you. Typical ways of monetizing a blog are through ads and affiliate links.
Do you have a passion for teaching and want a way to get paid to do it passively? Then, creating an online course is a great way to make money while you still have a full-time job.
Etsy is a pretty great business for people looking to build a side hustle or build some passive income. Even Elon Musk is on board with the Etsy e-commerce train.