Improve your crypto knowledge
As I said, don’t invest in something you don’t know. If you have no idea how crypto works, it’s time to start reading blogs, tutorials, etc. to learn about it before you even consider investing in this market.
The only thing that people should have learned first. Most of them are just blindly joining and investing on any hype coins and random coins without researching first, because they would think like this "If those people invest on those, then why not?" It's okay to follow other advice but please do your research first.