It is not difficult, the first thing you need to do is to find such a site that will help you sort the coins according to whether they are up-to-date in that day, according to the trading percentage and the graph that shows it all. The next thing is to find an exchange that is cheap in terms of deposits and withdrawals , you do that and you have money at the exchange. There is a list of gainers and losers on the CMC site where you can try to see how lucky you will be in your selection.