Perhaps try to find an eager apprentice to take the reins? I imagine a lot of people would love to jump on board to see how things are run in a successful star

Perhaps try to find an eager apprentice to take the reins? I imagine a lot of people would love to jump on board to see how things are run in a successful startup. Slowly transition responsibility and time to the new "hire", as well as slowly transitioning the profit distribution. This can let you modulate how much involvement (and money) you want while letting someone else do the bulk of work for you.