It is not very good idea to sell the tokes during the fall of the market because the price of the tokens will be small.
But all tokens are different and it is very important to evaluate the potential of the coin to understand which projects will be able to survive during the fall of the market.
A lot depends on the coin. It is very important to evaluate the future potential of the coin because not all the coins will be able to survive during the fall of the market.
Many coins are not useful at all and they will not be able to survive during the fall of the market.