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

https://www.unitedbookmarkings.win/investing-and-gambling-might-seem-alike-but-they-play-by-different-rules

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