Day trading does not require you to be good just in one thing. Day trading skills are multifaceted and far reaching. Instead you become a person who is engaged in studies of risk and reward, logic, psychology, and mathematical probability–not in a theoretical way but in a pragmatic sense. You can’t be the “best” in all these fields, and you may be better in one domain over another, but you still need to develop workable day trading skills in all these domains.