Its not about any specific exchanger, the trade is something which runs with your strategies and methodology that you use. Exchangers are just platform where you get connected with the different coins and then you can trade them over there. Whether it is bitfinex or HitBTC all of them are same just differ in the way they work, in the way they have the UI etc. Trading is vast area where you have to keep an eye on the various news channels, get updates about the specific coin on daily basis, learn the facts of project, follow the developments and much more. Unless and until you dont get your study done, you should not start trading the coins. They are volatile and are subject to change at any time in terms of their volumes, market cap, and preferences. So look out for general ways of trading in the forum and you will see lots of threads regarding that.