why stress your self to choose when you can do both of it ? dont limit your self of taking a profit but you can always take some because you can still re invest when theres a dip .
meanwhile , you can hodl the rest of your coins while waiting for a buying oppurtunity .
There were more coins innthe marketvsnd each are not capable omgor dome profit in a trading but can be profitabl in holding in a long run. Desicion houl depend on ehat coin it is. Will it give impact in the future that will makes it price grow, or just in tine for hype to make profit.