Thinking of your money like a bet? Investing and gambling both involve risk but...

https://wiki-book.win/index.php/How_Does_a_96%25_RTP_Slot_Actually_Cost_You_Money%3F

Thinking of your money like a bet? Investing and gambling both involve risk but play very different games. Casinos clearly post their RTP—your expected return—while many trading products bury their true costs