When buying bitcoin you have a target and you will not make a mistake not to utililize any opportunity seen in bitcoin market, because everyone who is bitcoin billionaire today purchased bitcoin years back when bitcoin price was very low in price and hold until the price increases before they can sell their bitcoin. Everyone good investors always utililize any steps made by bitcoin. Buying at dip is where profit will be easily make and if you buy higher and sell when the price of bitcoin is low you will lose, so it's good to buy when the price is low and sell higher so that profit will be made and for you to have such you have to hold your coin and be waiting for a bullrun