You can use Stuvia where you can sell anything that you have written at school including essays, letters, magazines, notes, etc. you need to set your own rates and the average earnings that you can get from a single document are $8.90 dollars.
Choose your social media platform and develop your content strategy. You can build your own brand of clothing as well by designing your own website. There are thousands of ways through which you can become an influencer and earn in millions.
There are various websites and apps where you can sell your photographs easily. You can sign yourself in websites or apps like Adobe Stock, Shutter Stock, Foap and many more.
There are 6 separate earnings levels for images and for videos, ranging from 15% up to 40%. You can graduate through them independently based on your download count in each category.