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I started on the CBOE floor as a clerk in 1991 after graduating from MIT, and have been a full-time trader since then. There is edge available in the financial markets but just like in poker many more people believe they have +ev than actually do. I don't doubt that 2+2 authors could do very well managing money given a sustained full-time effort, but that is what it would take. I do not believe the results would be good if trading was not the primary focus for an extended period of time. I would add that beating mutual funds should not be the standard for success as a money manager, as most do not beat the index and many of the best traders will be found at positions where they can better leverage their skills, ie hedge funds, prop desks, trading one's own account, etc.