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For me, this DCA strategy is an anti-loss step in investing not only for beginners but also for those who have known BTC for a long time. Especially if we do DCA in a weekly period, of course this is much better because the increase will be faster. Because the goal of DCA is to get as much btc as possible in a long period, without having to worry about price changes every week.
That's why we must have a stable cash flow so that this strategy can run well. That's why many people in this forum always give advice to other members, especially beginners, if you really intend to invest in btc, you have to be smart in finding additional income. Because the dca method is the coolest strategy for long-term investment, and the capital is only patience so that the goals we want are achieved. That's also why the dca method is very suitable for btc because btc has certainty and good fundamentals in the future compared to other coins without any worries.
The thing is that lump sum could obtain the same outcome, as in, you just put all the money into it right now and forget about it, without checking the prices all the time.
This also has the benefit of not having to worry about fees or making sure the transactions are done correctly, etc.
Having said that, most people won't have a big chunk of money that can be used to buy a large amount in a single transaction, so DCA is usually the most common strategy.
But from a point of view where you want to maximize the amount of Bitcoin, then lump sum could be better than DCA, depending on the future price of Bitcoin.
But all really matter depend on your cashflow or financial situation, but if they are capable to use this strategy then its fine since this is also proven working for people who also want to earn for long term investment.
But if they cannot afford to do that our doubting then they still have another option to use DCA which is perfect for everyone. Everything is all depends to the person on what suitable to them, but they could try to use both so that they can gather experience since for sure every information or knowledge they get for trying it will be worth it since they gain something useful that can help on their bitcoin investment.