One way could be to time cap something and put it out there. Many may fail, but perhaps one will take off. Here is a blog where a dev makes many small startups

One way could be to time cap something and put it out there. Many may fail, but perhaps one will take off. Here is a blog where a dev makes many small startups and sees how they do: https://tinyprojects.dev/ https://tinyprojects.dev/