Avoid investing money on projects where their main point and focus is on the profits you will make, they promise fake guarantee also a a safeguard method that will make you very rich..this is a big red flag
If all the team talks about is money that you will earn without any explanation how they will make that happen and also no technical professionals behind it it's a big red flag.
That's what we called Ponzi scheme, it's their main strategy of marketing to entice people from investing. However, educated investors would not fall for that trap, that's why it's very important to spread awareness so investors would choose to invest in a real project with long-term potential, not in the short term that is trying to scam investors only.
With education, they will not mistake crypto as a scam if they fail, they would understand the risk so failing is possible.