The coin mining is good and I will hold it for longer than sell it at a time because it is likely that the price of the coin will be increased and certainly more profitable. It does not have to be long term but just hold it a little longer than usual because big market usually have pump and dump quickly.
I think it's a good idea if you try to hold it for a while until it reaches desired price and of course this will give you a good profit. And let mining machine work according to function while management is on you, of course this is a good Management.