Scammers are getting more fortification everyday, just stay safe,
(1) DYOR (Do your own research) always verify the legitimacy of a project or platform before investing your money and time.
How about not trusting any platform that requires you to send them your Bitcoin to make investment on your behalf, Bitcoin has given you the power to be incharge, don't give that away for some few dollars that isn't even guaranteed. If you're not buying and hodling your Bitcoin in a non constodial wallet, you shouldn't be partaking in that form of investments as it's not safe.
(4) Beware of fake giveaway.
Instead of just beware of fake giveaways, avoid them all. You can't be sure which giveaway is guaranteed safe as hackers are going extra mile to make their tricks look believable. They're going as far as hacking prominent social media accounts to announce their fake giveaways and getting alot of victims. Avoiding anything that has to do with giveaways will save you more than trying to filter them to know which one is genuine or not.
(6) Don't rush: Take time to make informed decisions, and don't let anyone to pressurize you into acting quickly
Or ignore every other things happening in the industry and focus your attention on accumulating Bitcoin. Buy and hodl Bitcoin, you can't go wrong with doing that and you would have protected yourself from the numerous scams all over the industry.