First and foremost, the important thing here is to choose the coins you want to focus on trading. Not every coin is the same and some of them are more suited to day trading or quick trade and release style, and some of them are better for trade and hold style, where you get a coin and wait for some time before you release them for profit. After than, check how other seasoned traders do their business, you can first copy their styles and strategies until you can apply your own style, they are not good traders for nothing. As you gain more and experience and knowledge, then it would be easier for your to device your own strategies.