If you have knowledge in a particular field you could offer online courses through existing platforms and charge for them. This will depend heavily on your area of expertise and the platform you use, but you can provide additional materials to make the sources more attractive to potential clients.
Active, more hands-on individuals can always use channels like YouTube to create instructional do-it-yourself videos, yoga routines, sports drills, and other activities that attract attention. Selling ad spots on these pages can become a fun source of side income because you’ll enjoy creating them and getting paid for them.
Related Video: How to Get Your Side Hustle On