If you started investing in cryptocurrencies from scratch today, with zero coins in your portfolio, what would change? What would you do differently?

We all made mistakes as beginners. Even years later we can agree that we are making mistakes again - a man learns while he is alive and the most expensive lessons cost a lot. Even crypto veterans and pros are making them. The thing is not to make the same mistake more then twice.

This market is unpredictable but if you started from scratch again today, as you started once when you didn't have a single coin in your portfolio, what would you do differently?

I am talking about complete restart, you are totally new, and you started investing today.

What is that one piece of advice you would use now?

What mistakes would you never make again?

And I am not talking about mistakes like "I wish I never sold BTC/ETH". This is more of a strategy thing.

Or think about it this way, a newbie is starting to invest today. That newbie is you. What advice do you have?