This is a common question that comes up among investors. There is no right or wrong answer but for those who are not adept at timing the market or who have no time or energy to monitor the market everyday, I feel dollar cost averaging (DCA) is an easier and safer approach as it averages out the per unit cost over time. Putting aside a set amount of money for investment at regular intervals is analogous to a form of regular savings (albeit with a higher level of risk tha...