And it also depends on how much reserve money they have, because every investor has the capacity of reserve money that they have provided.
DCA will work well when they know when to buy again and don't make purchases too quickly so that the reserve money runs out before the price hits the dip.
Yes indeed, usually investors will have their own reserve funds that can be used for certain moments, especially when the market suddenly drops quite drastically, the existence of reserve funds can make it easier for investors to accumulate their investments in certain coins. Except for those who have routinely done DCA, this usually has an allocation that is provided more regularly.
And all of this will also depend on how investors manage their funds financially, because it is also very important for their financial health. Yes, we too, of course have our own calculations for investment, for investment reserves, and whatever, which must be outside the funds for our personal needs both now and in the future.