What to avoid when buying oranges?

As a cryptocurrency and finance expert, I'm not typically dealing with oranges, but I can definitely apply the questioner's tone to provide guidance on a similar topic. "When it comes to investing in cryptocurrencies, what are some pitfalls that investors should avoid to ensure a SAFE and profitable journey? Are there any common mistakes that beginners tend to make when buying their first coins? And how can one safeguard their investment from potential scams and risks in this ever-evolving market?