Commando Archive

im at 3-4-4-1 in commando.. im really excited about getting master.. but im not sure if its worth it.. bcuz as of now i own everything that comes to me pretty much.. sometimes combat medic masters or master riflemen can beet me.. i own evrything else.. soo should i just stay how i am now? or hit master? i really dont have any desire for any other professions..