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You could always have the option whenever you do have the money to spent or invest on which means that you are really that capable on doing so or simply talks about being versatile on different conditions.
Yes,DCA is very common but only a few could able to handle such accumulation because not all does have that big funds on purchasing whenever the market declines even further.It would really be a never
ending chase but we know that on a market if there's price decline then there would be always a recovery.
You seem to be mixing up DCA with buying on dips.
With DCA, you set an amount that you can buy no matter what.. based your cashflow, not based on the price of BTC. Accordingly, there is a presumption that in the long run that BTC prices are going to be up higher than your DCA amount... especially if you have a 4-10 year time horizon or longer.
You can supplement your DCA strategy with buying on dips... and so save some money for buying on dips (that is optional, and we cannot be sure if more dip will happen or not, but of course, you can set up your dip parameters too.. which should be a different budget than your DCA which is just an ongoing amount.. $100 per week, $10 per week, or whatever amount that might seem feasible for your budget and having your regular expenses covered including have reserves for emergency expenses, too).
There should be no need to mix it up with the DCA that is applied, we must focus on our routine, not in terms of the price of BTC falling for DCA.
I already have a monthly and not weekly plan because I have assumed that monthly needs with DCA are a good way for me to keep my needs met, it's not a burden, even though it's not big, but there will be a good average value of the month, it depends on how needs every month for us.
By completing the DCA strategy, I will set it up to a price of $50k (optional) but I want it to continue so that there will be no break for a period of 4-5 years.