Investing and gambling both involve risk, but one shows you the odds upfront....

https://victoriassmartword.publishlane.com/posts/what-does-variance-dominates-over-a-year-mean-for-my-portfolio

Investing and gambling both involve risk, but one shows you the odds upfront. Casinos publish return-to-player (RTP) percentages, letting you see the expected value, which is usually negative