If you can code, create a few good paid apps and start generating passive income. This is certainly one way (and a valid way), to do it. But not everyone wants

If you can code, create a few good paid apps and start generating passive income. This is certainly one way (and a valid way), to do it. But not everyone wants to/can sell. Its a completely different skillset and not everyone is good at it. Writing good (free) apps, is good for one's portfolio, which helps in freelancing/job market.