someday you will be able to analyze the coins to buy and know the time to sell your coins. you will find them on youtube.
he only explained the theory and the most difficult was practice. and the hardest part is controlling emotions and patience.
That is the main point to be discussed before starting trading because always emotions will make you to take wrong decision and make you loss. If you keep patience then you can earn good in trading.
If you want to do day trading then first read the chart and then do trading. If you first want to learn trading then you can join bounty of altcoins and get free altcoins, when they get listed in exchange you can do trading of this bounty coins and gain experience of how to trade. As if you lose the bounty coins you wont be in finance loss only you time is loss which you used to gain bounty coins. After when you decide that you can now trade good then make investment and start trading.