if you are just a newbie in here, the bets thing that you can do is just to try to avoid having too much feelings while trading, and try to avoid being a greedy guy
Yes that is one way to control the emotional factor while trading. Adding about the skills, I would say a newbie should be well versed about the technology he/she wants to invest in and the market situation by which I mean to say he/she should have the perfect market knowledge. Also some knowledge about economics and finance would not be bad either.
Also on how they can be able to learn here is what could be the best gather the knowldege in a way wherein this is really helpful basic thing is the best atleast that you know how to understand this as well.
Knowledge is important in anything and the good thing about the digital age is that they are easily accessible as we get to see people talk about their experience which anyone can learn from, see how they can make things better and how they can take advantage of the best opportunities in the space without bringing any form of emotion into it.
This is just the tip that works best for any beginner, which is to learn the area of your investment perfectly well and you will be making quality and well-informed decisions.
For beginners one thing is important and that is always choose authentic and reliable coin like, bitcoin, Ethereum, monero, litecoin and Ripple etc. because there are more than 2000 crypto in the market and many of them are scam. First check the credibility of a coin and then trade in it. Continues survey and observation will make you a successful trader.