Trading altcoins and bitcoin is not always about skill.
Sometimes, my poor decisions fetch me profits; while well researched projects messes up;
Think that you are just lucky when your poor decision makes you profitable, but skills would help you for long term as luck does not make you consistent and in trading, you should be realistic when it comes to trading and don't convince yourself that being lucky will make you successful because it's not.
With that said, I believe trading bitcoin and altcoins is all about skills.