It is very hard to do profitable trade. We can win many times, but there's a lose of money. But on trading we must crontrol the risk factor of being a loser
In a business school, where they teach all about trading and business, you would come to know that one should start trading with a plan in the mind. How much profitable would the trade be? How much low can you actually buy and how long would you have to stay in the market to sell the units again. Also the short and long planned business decisions are important.