I propose an alternative. Definitely don't do Sell Buy Sell, but you can do Buy Sell Buy.
I wonder how many users will understand what this means.

At first glance, it sounds similar, but upon closer examination, it carries a different meaning: everyone is required to buy early if they want to progress further through investing. The method is to buy, even if they will eventually sell before buying again. However, everyone has different levels of patience when it comes to this method, because any investment is insufficient if it relies solely on methods without initial capital. As for buying and selling, it's a simple method that some people might use if they don't have the initial capital to buy something they want to invest in, in this case, I'll give the example of Bitcoin. Therefore, some people prefer to sell other assets to have capital to buy Bitcoin, even though they will eventually sell again before returning to the old method.
However, regarding the two points you mentioned, I briefly see two distinct sides, such as those who frequently sell after buying and those who frequently buy without selling. Therefore, each of us must know where to position ourselves if our goal is long-term investment in Bitcoin while properly implementing the methods we've prepared and mastered.