One best advantage of using DCA is that it helps many investors to buy Bitcoin at different price which could be at a discount price while others must have bought at a higher price, like those that will invest a lum sum at once once, they could buy at high price different from the investors that uses DCA to buy at different dip price. But, buying at lum sum is just based on the person's financial power and perhaps don't want to waste much time without buying, perhaps they have their reasons.
Yes, DCA is definitely a good method. In my opinion, DCA is the safest method. It is the only method that both beginners and experienced can use without hesitation. In this method, you can buy and deposit Bitcoin in all types of markets. You will not have to worry about losing your money. You will not have to worry about analyzing the market. You only have to think about one thing, which is to continue investing regularly. After starting investment, do not touch the invested money without reaching a specific goal. Decide on long-term investment.
But on the other hand, if you want to invest in any other method, then first you have to be much more experienced. You have to have a good knowledge about volatility. You always have to think about how much you are losing, when will it give you a return.
So I think it is better to keep yourself mentally healthy and continue investing safely in DCA instead of choosing other methods.