New thread for other passive income ideas besides Real Estate! Anyone else try anything? Low content books on Amazon, classes through online platforms, other?

500 dollars a year for learning the weeks rashi? https://chumashrashitests.com/

Aww it's only for men :(

Really? Wow I didn't realize that. Sorry. 😭

Content-based business do work but they need a lot of time

I've always struggled with this question. Is there another passive income option besides real estate (which as seen on other channels not necessarily passive)? Maybe for venture capitalists....