Many blog posts pontificating some advice read like: "How to double your money gambling everything on a coin toss" Sure, you can win a coin toss, but unless y

Many blog posts pontificating some advice read like: "How to double your money gambling everything on a coin toss" Sure, you can win a coin toss, but unless you can reproduce that experiment consistently it's not a viable advice. And that pretty much to everything... if a process is not better than random chance then it's worthless.