      The combinations of what to trade, when to trade it, and how to tradeit are limitless. At first, it will be difficult to evaluate the relativerisk and opportunity cost of trading. Over time, it will become secondnature. If you are a novice trader, I suggest mastering this aspect oftrading first. A great friend of mine once told me that once you learn howto NOT lose money, making money is simple. This is one of the most valuableinsights anyone has ever shared with me.