Every time you read or hear someone suggesting to invest in a crypto, ask yourself the reason he/she may have. Search for reputation, search for consensus on other respected technical analysis and crypto experts and then decide. Finally Always think on the worst case which is losing all your money.
If you are new to trading, just read "Reminiscenses of a a Stock Operator", which describes the story of Jesse Livermore in the early 90's and you will understand how markets can be manipulated.

https://en.wikipedia.org/wiki/Reminiscences_of_a_Stock_Operator
https://en.wikipedia.org/wiki/Jesse_Lauriston_Livermore