Habits of Highly Mediocre DJs + How To Avoid Them. 1.) Playing the same ish. 2) being fake. remain consistently humble and let your actions/music do the talking 3.) using too many effects 4.) Trash talking 5.) Substances affecting set.. do you know any DJs who seem to be mediocre or stagnant? What are their traits? Have you noticed some the traits in yourself?