Accumulation of BTC is a surety mostly when one knows how stable and more reliable it is for the long run. DCA is still the best proven strategy to get rich slowly, because it would be more profitable after years of accumulated BTC has been liquidated.
DCA is one of the best decisions I've ever made despite that I'm a little too late last year. I should have started DCA when BTC was still around $12k to $16k sometime in mid-2020. I've made a mistake of letting BTC go that time due to having lack of patience and faith.
Karma hit me hard when BTC flew past $20k days after I sold my BTC. So I make sure of not making that mistake again by doing DCA with my extra "not beer" money last mid-2022. However, I started DCA around $30k to $31k price before it dipped and hang on somewhere around $19k to $23k price.
As of this time, I am at a profit and decided to keep holding and anticipate for the halving next year and also speculating about pending ETFs like Blackrock to be approved that would be a possible big catalyst to a potential bull run.