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Yes in terms of investment lump sum investment can be very useful for an investor if he has excess money supply but he has to choose the right time to do it like dips price trend. If you don't get suitable bearish then you can start depositing bitcoins with DCA method and if you get low price of bitcoins during deposits regularly then lump sum buy may be more useful for you to get more holding in less time.
The method of buying in large quantities at once requires the right time such as market conditions in a Bearish phase and a large amount of money. For me, this method is very boring because it takes a long time to wait for the market to correct. However, DCA offers a solution without causing problems, investors can invest at any time with any amount without having to be tied to market value. This method allows investors to accumulate Bitcoin at an average price over the long term, while also avoiding the stress of trying to predict volatile market price movements.