There is no need to have a good idea if someone already believes and believes in Bitcoin, so he can immediately apply Buy the DIP, and HODL to Bitcoin and never think about when to sell it even though when he sells it later it will also determine what the price will be at that time. Sometimes the buyers in the market are not all traders, because there are also those who just buy and then hold it for a time limit that they did not specify at that time. Although the goal of investing in Bitcoin in the long term is to make a profit.