That sounds like a recipe for burnout, or workaholics trying to justify their drug of choice and push it on others.

Normalizing having a dozen streams of income as what one needs to get by will end up leaving us with economic results that leave this as a requirement, rather than a nice to have. A similar thing happened with the two-income household. As the idea was pushed, it went from a way for some to make ends meet, to what a majority feel they need just to get by. Is this the world we want to create?

Your job doesn’t need to be your identity. That is true with one job, the same as it is with having 10 jobs. If you’re looking to diversify where your identity lies, other prongs to that base can be rooted in family, friends, and hobbies. We don’t need to be monetizing every second and aspect of our lives.

I've been investing in low cost index funds for decades. Although not "income" in the spirit of your question, these funds distribute quarterly dividends which is income. This is truly passive income.

I do sports photography for one of the most active organizations in my community, I pass out a lot of business cards [1] and will probably get more work

[1] https://bsky.app/profile/up-8.bsky.social/post/3mcy6m4eos22k