Why running for this small profits? You know right bitcoins are limited in numbers? That is more Bitcoins cannot be create or formed? So these makes Bitcoins very rare. A time will come, when people will be running here and there to buy the Bitcoins, as it is very limited in number, so instead of accumulating the coins, if you run for these small profits, then I haven’t seen any foolish people than these persons. Bitcoins are way more valuable than the current price. So irrespective of the price, whenever possible buy as many Bitcoins as you can, and enjoy the profits in a later part of time.
It seems that he should know and learn more about bitcoin, because bitcoin will be much more profitable and useful in the future. And it's a good idea to do DCA to collect more bitcoins especially during downturns to increase buying, and also make purchases with money you can afford to lose.