Since the price of bitcoin has down from $44,000 to $41,000, so I think a buy on dip strategy is worth considering now. I don't think such a correction will last long, especially since the halving and ETF have been the reason for the big rally. Personally, DCA isn't really needed right now, lump sum seems to be the best option.
Buying Bitcoin with a lump sum is never a bad strategy, but if you know too well that buying with a lump sum will stop you from taking care of your financial needs, don't buy with a lump sum strategy, because you think Bitcoin will never dump again, and you will see your Bitcoin even when you at a loss to solve your financial challenges. You can continue with the DCA strategy in accumulating your Bitcoin which allows you to solve your financial challenges easily while you are on your Bitcoin accumulation journey.