-Giving language, IT, graphics, etc... courses/tutoring (something you're passionate about).
-Writing and selling ebooks
-Creating stocks pictures and selling them to professionals
-Creating and selling music
Having a website / blog is a good way of promoting your content (youtube is also a good platform for self-marketing).
Making money online is a great opportunity nowadays. You can play games and make real good cash. I am personally playing the best Canadian games playtech mobile casinos here https:/casinos.com/playtech . You can also check it out and read all the reviews and ratings before playing it.