from my experience i have felt that, it is the house of business organizing too. Many a failed businessman has got a 3rd house occupied by a subha/benefic graha like sukra/venus or guru/jupitor or chandra/moon or budha/mercury.
by niyama, 3rd and 6th house are good positions for malefic planets, the logic being that upachaya(3, 6, 10 and 11) houses are aggressive houses.
can't timid people be successful too? lets find out more.