The psychological impact of making a large purchase all at once versus employing a DCA strategy can indeed influence one's perception and decision making process. When purchasing everything at once there a sense of commitment and finality which may lead to feelings of regret or doubt if market conditions change suddenly.
On the other hand DCA spread out the investment over time reducing the immediate impact of market fluctuations and potentially alleviating regret if prices drop shortly after the initial purchase. This approach can provide a sense of security and discipline as it minimizes the risk of making a significant investment at an inopportune moment.
Both strategies can lead to profits over time provided that the investor has the patience and commitment to hold onto their investments through market fluctuations. The key lies in maintaining a long term perspective and staying focused on one investment goals rather than becoming overly influenced by short term market movements or past decisions.
The most important thing to profit from investing in Bitcoin is, patience and holding. Investing in Bitcoin can be successful if you are patient and hold it for a long period of time. Some people who first invested in Bitcoin and Stop holding for lost patience in fear of Bitcoin's price, rise will now understand, and regret it greatly. Because the price of bitcoin is now around 50k over 49k, if they had been holding bitcoin since then they would have got a lot of return by now. But the past is past, now they should start investing in DCA method from now, instead of worrying about the past. Or they can make one big purchase at once if they want. But the only aim should be, long term holding, holding and holding. Only then can they achieve success.