yes you right that true that tension and deprecison is more than earnig. but dear brother es mien depend karta hai ap ko es ka aik soulation ye bhi hai k ager ap market ko anaylise kar le aur market ki flexability ko theak tarah se jan lo tu i think ap ko na hi tension and deprecison ho gi.tension aur deprecion ki origin teek place per investment karni hoti hai. ager ye tension khattam ho jea then u will far from them.