Everyone of us has started in crypto and if you made a mistake that could have been avoided, I’m sure you wish to had this knowledge before. That's why I listed the best-known beginner’s mistakes here, if you have more, you can write them in the comments.
When the reward of an investment seems too good to be true, just know it is a scamAnd to be frankly speaking, this was one of the big mistakes newbies made when the information about Bitcoin wasn't that popular as it is today, as many people thought it was an investment scheme whereby they can just invest a couple of dollars and earn a reward, and many people fell to it by investing in it and lost their Bitcoin. And until today, people still fall victims to scams simply because it always offer a reward too good to be true, which is why as an experience user, it's advisable people take caution whenever they see an investment with a reward too good to be true.