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Waiting for a DIP before buying is not recommendable even though some folks employs the idea of waiting for a DIP in order for them to lump sum but since there is probability of a DIP happening, it is better to buy at any price point then when a DIP happens you can still by more bitcoins and add. Often times, we have analyzed the reason why we shouldn't wait for a DIP before buying because it takes an investor backwards in his accumulating stages such that at a time when you could have gotten enough bitcoin and reach your desired target of accumulation, you will still find yourself accmulating and it can even be at a time when the price is extremely high but if you had started earlier you may not have been caught in that state of accumulation. An investor can decide to target a DIP when he must have gotten a sizable portfolio because by then he may no longer be using the DCA strategy.
Many investors tend to have quite a bit of impatience in regards to wanting to see positive results from their investment, so it can take some time to get into a mindset that allows an appreciation of the value of buying bitcoin regularly and without spending much time thinking about its price. yeah, when we get 3-4 years or longer down the road, we should surely be in a place that is likely to be profitable, yet even going a whole cycle investing into bitcoin is not guaranteed to be profitable.
Even if bitcoin is not guaranteed to be profitable, many of us still invest into bitcoin because we believe it is amongst the best, if not the best asymmetric bet opportunity that is widely available to people across the globe.
It could be that waiting to invest and trying to time some kind of further price bottom could end up working out, yet it seems to largely be a form of gambling for lower prices that may not end up happening. If a person is a low coiner or even a no coiner, then holy shit, they need to buy bitcoin in order to prepare for UP. If they have little to no bitcoin, then they are not prepared for up, and the only way to prepare for UP is to buy some bitcoin.
If they are ONLY preparing for down (meaning ONLY preparing for one direction), then that really seems inadequate, and like several guys mentioned, that does not seem to be any kind of a serious investor. It sound like the person is merely trying to trade rather than to invest, since investing tends to take time, and it even takes time to build up a portfolio, maybe 4-10 years or longer just to build the bitcoin holdings, unless there has been some abilities to front load the bitcoin investment. Sure some folks can front load their bitcoin investment, but an overwhelming majority of people are not able to front load their bitcoin investment... which yeah that means it takes time .. a decent amount of time to build up an investment, whether bitcoin or any other investment (not that we give any shits about any other investment in these here parts).