While fashion vlogs and video game walkthroughs are perhaps the most common types of content on YouTube, don't feel limited to this arena. If you like to pull pranks on family members or put on living room skit or comedy shows, consider filming them and putting them up on your channel! You could also form a YouTube book club or fan group where you lead discussions about your favorite novels, music, and movies.
Teach other kids how to code: Lots of kids want to learn how to code and if you’ve mastered this skill, you can teach other kids through paid classes. Teaching other kids isn’t easy and it will take some skill to clearly explain basics that you, the expert, have probably known and understood for years. Get the word out about courses by building a website and handing out and hanging up fliers in places where kids will see them.
Products that are declining in popularity. It might seem obvious that you shouldn’t try to sell anything that’s declining. But in some cases, you could benefit from being the last seller standing. In this scenario, buyers will turn to you because it’s so difficult to find the product elsewhere. So, capitalizing on a fading trend could ultimately help you earn more money online.
I have not personally done this but I would like to eventually. If you are artistic you could make artwork or handmade good such as ornaments, wallets, or jewlery and sell them online. Something that I personally would like to do is design T-shirts and sell them. Shop for anything from creative people everywhere is a great site and I have bought many things from them. If you make quality products and get your name out through Facebook or other social media you could get a substantial business going.