there is one pro in Chicago who has traded a ema cross over system for 25 years :if you are trading for money, you do not need anything else.if you want knowledge and want to know how the market works,then be prepared to lose money for 25 years like i have done.I know Padutrader, I do not need anything more than my system to win the market. What happens is that I want to know more. Maybe to realize that I do not need to know anything else.