Almost no income is "passive". Like a farming plot, it has a certain momentum, but over time it shrinks and becomes less productive if you don't continue tendin

Almost no income is "passive". Like a farming plot, it has a certain momentum, but over time it shrinks and becomes less productive if you don't continue tending it. Maybe you can build things that you yourself want to use but struggle to find. At the very least they'll help you, but there's a good chance you'll build an audience and maybe a base of customers if you build in public.