Trading is not for everyone and not everyone can make money from training.  To earn money from trading, you have to be patient and adopt some techniques which are not possible for everyone.  Like you, there are many people who are making a lot of money from day-trading and there are many people who are losing all their money in day-trading.  So here it is seen that some people are doing the same thing but some are succeeding and some are failing it all depends on individual technique and luck.