Cut off 10 in (25 cm) or more of your hair and sell it online. If your hair is healthy, untreated, and long enough to cut off at least 10 in (25 cm), you can sell it. Prices paid for healthy human hair increase with the length and thickness of the hair, so you may potentially earn good money for your hair. There are now online marketplaces to help you sell your hair, in addition to salons or other centers in your area that may be interested in buying hair.
Now you’ve got many different options to start earning online. If you saw something that really interests you, try it out and learn more about it. If you’re really wanting to make a full-time income online, you need to be dedicated to learning how to do what you want to do. There are tons of free resources out there. You just have to search for them!