Some people say hold your crypto, some says sell immediately that holding for long is useless.
What do you believe and practice?
What you are determined to do is the most important thing.
If someone tells you to hold and you do the same, what if it eventually dumps?
Selling immediately without doing some research first on what the roadmap is about, you might make the mistake.
You can also check their social media handle to see the reactions of the community. This might also guide you on what to do.