You can earn by advertisements, Charge customer based on number of words in blogs, affiliate marketing, etc
You can earn by advertisements, Sponsorship, affiliate marketing, etc
You can become the video editor for Youtube creators. Can also edit videos of short movies etc.
You can sell anything online. You can sell your art, your cooked food, digital product, clothes etc. You can have your own website or sell through Facebook, Whatsapp etc.
You can teach online. There are many platforms available. Example YouTube, Udemy, Your own website, Zoom meetings etc.
You can buy and sell the stocks online. Buy when price is less and sell when its high
If you know more than one language, then you can become translator. There are platforms like Fiverr and Upworks, where you can sell your translation service online