3rd, Being careless to know when due to withdraw without being greed
4rd, ability to notice that greediness can be a barrier of losing the profit you made.
Know when to trade your Bitcoin are very important as a trader, because it can help you to experience some positive changes in you profits if you will be able to notice some signs that involve when the price is high in the market. And it will be profitable if you as a trader can understand when to buy and hold before trading because if you buy when the price is high in the market, it will not allow you to make a good profits, because you didn't buy when the price is low in the market which is very important to every cryptocurrency traders to learn in the community. Don't continue holding when it's time to trade and make a passive profits because it can lead you to regret in future which is not advisable as a newbies.