If you want to learn from other people's mistakes check out: https://www.reddit.com/r/wallstreetbets/
It's literally a site with people gambling on the market but you can learn a lot from that too, it's a fun place.
On HackerNews you're going to get a lot of Boomers' advice telling you how to be safe with your money with low risk low reward investing. You should try following some of the advice on here but also try learning about other things because honestly you're young and you can make some mistakes just set aside a small fund for learning with.