What’s the biggest mistake people make in crypto?

New to the space and trying to avoid common traps. I’ve seen the hype, the big gains, the crashes — but I want to hear from people who’ve actually been through it:

What mistakes did you make early on?

What would you do differently if you could start over?

Any wins you’re proud of or lessons that stuck?

Just looking to learn before diving in deeper. Any advice, regrets, or insights welcome!