One day the snowman will ask you for ice. All it takes is one day, one hour, one minute which counts down to a particular second. An opportunity will knock on your business door. Where we come from, there’s never an “I can’t do it”.
If you know someone who can, then you can do it. It’s called running an “agency”. Always be prepared for opportunities that show up at unexpected times asking for unexpected things. Within those lie passive income.