People are turning to audio and visuals when it comes to technical subjects. However, you should consider doing an ebook first and turning it into an audiobook through a resource like Audible's ACX platform. You can hire a producer either through a royalty share program, so you don't have to shell out upfront cash, or you can do a pay-per-hour hire as well.
Another strategy to make money online is to become a social marketing manager. Being present on social media is key for any business that wants to attract new customers, promote their products and grow their following. However, constantly posting, liking and commenting on the numerous social media channels is extremely time-consuming. More and more businesses are recruiting social media managers to run and organize all their social media. And to save money, social media employees are often employed as online freelancers.
Recycle items at the local recycling center if they accept collections. Many recycling sites will pay a small fee per pound of recyclable items. Go around your neighborhood collecting things like glass bottles, soda cans, newspapers, cereal boxes, and milk jugs. Have your parents drive you to the nearest recycling center and turn in your haul in exchange for money.