Not only is the salary good for this kind of work, but also if students teach well, their reputations are enhanced.
家教所以普遍，一方面是待遇高﹘﹘平均每小時收費一百五十元，另方面也是「好為人師」，或期收「教學相長」之效。政治大學外交系的學生邱富賢從小學鋼琴，至今練琴不輟，收了幾個小弟子，每個每週授課二至三小時。