To be self-employed you do not have to work on your own, come up with the idea or initial resources all by yourself or even know what kind of self-employment to go into! Now more than ever, in fact, we need cooperators, not individualists.
Sometimes the Universe just opens doors for you that you didn't expect and finds you work that requires your skills or experience, that reminds you what you are passionate about and that promises to test & develop your creativity, resourcefulness & resilience to the full.
Are you ready to get out of your comfort zone?
They say that is where Life begins ...
See also Self-Employment article in Wikipedia