To be a profitable trader, a trader needs a trading system/strategy, trading plan based on it, trading rules, risk management, money management, discipline & proper mind set. To understand these requirements & developing it take few years. Most newbie's kicked out of share market before they realize it. They empty their trading account very fast as their position sizing is big and before understanding what is trading, they get out of the share market.
Trading is one of the toughest job in this world, but if you are a tough person, then trading wont look tough for you, instead it brings the true potential from you in all aspects of life.