I know that a lot of people like the possibility of earning money without doing anything, but there is a reason millionaires have so many forms of that passive income, and that is because they have a lot of money, for the ones that are not as rich even if they can get a form of passive income it is never going to produce enough money for them to survive, so your only real option is to create something that gives you that, like music, books or an invention, otherwise it is better that you keep working for your pay as everyone else.