at this point of time in the bitcoin market trading, i will say it is strictly a personal race and decision as to who wants to sell what and at what time because the price of bitcoin is non predictable and can be speculated but that is in no way close to reality but you still have to decide. thanks
actually, it's easy to find profit in bitcoin, just analyze market movements and then buy when prices go down and sell when prices rise. but remember all there is a time so you have to wait patiently to get maximum results in making a sale.
As the price it has now, it is hard to gain big because the increase is very little. To those who makes trading, they cannot gain good for short period but have to wait for the change of price in the market. Price movement is important to study when trading because sometimes it is not moving and better to hold it much longer.