wrangler, you may have a point, however the main problem is that most traders are not able to follow the rules developed by themselves. Therefore, whether they buy a system (any one) and study it, or they develop a system, to succeed they need discipline to follow the rules.
Regarding the work of Mr. Murray and his efforts to educate the fellow traders (us) to improve our trading, it is still up to the traders to understand and apply them. The analogy is this, in a class, all students study the same subjects and are under the same teachers, but few of them shine in their studies. Similarly, we all know the trading rules, yet how many of us apply or practice them?
Please may I suggest a book The TradersSecrets, which discusses the real life experiences of successful traders who followed the rules of their trading methodology . It is the matter of application of rules and discipline. If you are unable to build a system as good as the systems of Murray, you can buy his systems. Now, you can either use Murray's systems as a starting point to build your own systems or you can build your own systems after going through his systems and getting the idea.
