Although some people's emotional reaction is that they will not invest because the price has increased, I think it is weak in terms of logic. In my opinion, if someone invests with a long-term perspective, high prices are not a problem, but the potential for growth is more important. If investment decisions are made with logic and information instead of emotions, then there will be no regrets in the future. Those whose purpose is long-term investment are never affected by market fluctuations or do not stop their investments. They continue to invest patiently according to their plan because their goal is long-term growth and profit. A long-term investor knows that if they stop investing because of small fluctuations, they lose big opportunities. I think those whose purpose is not long-term investment are more worried about price fluctuations. They buy when the price falls and sell when the price rises, and again, they do not dare to buy when the price rises, thinking that the price will fall. So if you have to worry about price fluctuations, it would be best to invest using the DCA method so that you can continue investing with a small amount and keep the risk under control, so you do not have to panic much during market fluctuations.
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When investing in Bitcoin, people should not have questions about when to invest and how to invest? Their only goal should be to grow their portfolio in Bitcoin. And once someone starts investing in Bitcoin, they will definitely understand when to sell and at what price to sell. Apart from any other questions in investing, investors should ask themselves what they actually want to invest for.
What is the real goal of people when investing? Why do they actually want to invest?
I think most people's answer will be that people want to invest to protect their money.
They want their money to be safe from the current inflation.
I think those who will answer these are the real investors.
On the other hand, those who want to increase their money several times in a short time are never investors, they are traders. They are basically playing with their money. They bet with their money and if they are lucky, they can make a profit from it, otherwise they lose their money.

So we can say that short-term investment is a kind of business that people do to raise funds to meet their basic needs.
On the other hand, long-term investment is a kind of safe storage that people do to protect their discretionary income.
Bitcoin is one such safe storage that protects the money of believers.