That is the typical and exceptionally fundamental exchanging system. Purchase at plunges and offer at high. In any case, to know when to purchase and when to offer, you have to screen the market constantly and afterward just you will have the capacity to establish that.
Additionally I won't prescribe you to utilize any altcoin with btc exchanging in light of the fact that their cost are extremely unstable. So except if you screen that market intently, you may make misfortune from your exchanging. Rather, I will recommend you to utilize btc/usd match simply because it is anything but difficult to screen and get it.