One of the most difficult thing to do in all of sports is for a big league batter to hit a baseball. Protecting a rectangular zone trying to hit a round ball squarely with an oblong stick would stump even Pythagoras. That being said, some hitters make it even harder than it has to be. All they have to do is to listen to some guy on the internet and their ills shall be cured.
Here are some guiding principles to maximizing success as a big league hitter, principles I believe should be commonplace amongst hitting coaches and instructors up and down the major and minor leagues.