There investors that may not want to go in all at once, they may decide to keep some percentage of there discretionary income and them use the remaining percentage for buying the dip. As per being a low coiner ,
As you said, you can decide to buy dips. No one knows when the market price will dip and when it will be high.
Therefore, it is believed that buying through the DCA strategy without allocating some percentage of your discretionary income for dips will be the best option.
Yes, you can also save for dips. But you don't know when the time for that dip will come. Therefore, it would be wise to buy more and more regularly through the DCA strategy without allocating money for dips.
It would be better to buy regularly without waiting for dips and to maintain discipline in your investment in a sustainable and stronger way.