Rules, rules, rules, rules, rules. The IBD reader who indiscriminately follows all of the dozens of rules on how to select, buy and sell growth stocks has a strong chance of making big money in the market. Such a disciplined investor even has the potential to beat the pros. But following rules is hard. Emotions can rule the mind. So can the urge to blaze one's own path, trying to come up with a system that's even slightly better than one that has