Scammers are getting more fortification everyday, just stay safe,
(2) Avoid suspicious links: Be cautious when clicking on links, especially if they seems too good to be true or from an unknown sources.
These are truly important points, and I hope beginners pay significant attention to them. Regarding point number (2), I can add that no beginner should connect his wallet or sign transactions through any suspicious links. He should avoid using his primary wallet if he is an airdrop hunter. He can use some browser security extensions that enhance security, perform phishing website detection, and analyze smart contracts, such as Wallet Guard, AegisWeb3, and Pocket Universe, in addition to MetaMask wallet, which often blocks phishing sites. However, it's also crucial to download these extensions from their official websites without installing any fake extensions or wallets.
(6) Don't rush: Take time to make informed decisions, and don't let anyone to pressurize you into acting quickly.
We can combine point number (1) with this last point. Instead of rushing and making decisions or activities that we might regret, we should take enough time to do our research and review all the project details in which we will invest our money or participate in one of the launched giveaways/Airdrops. We must ensure that we are dealing with the official domain, not a phishing domain. Also, we should verify the information included in the project, such as the whitepaper and all the fine details, and then make the appropriate decision.