Dig one hole 50ft deep and not 50 holes 1ft deep

"Think of Michael Jordan. He was one of the greatest basketball players ever. Regardless of his athletic ability, when he went into baseball, he struggled immensely and that was after having playing experience all through high school. Today he golfs and is considered to be just below the level of a pro player. He has amazing talent at almost any athletic endeavor he sets out to do, but regardless of all this, he was only able to master basketball. He practiced the game so intensely everyone around him had to work harder just to keep up with him. He would come early and stay after practice. Why? Because he knew to be a true master at the game of basketball, he had to dig one hole 50ft deep and not 50 holes 1ft deep.
If you are not digging your 50ft hole, but relying upon several methods, systems and tactics which are likely disconnected, you will never master trading. Do you really think institutional traders are trading 5-10 systems all at once? Do you really think a sniper becomes an expert marksman by learning how to use 50 weapons or a few? All experts in any field subconsciously know to be a master at anything, you have to dig your 50ft hole."