Perhaps I may not know the amount (dollar) which you put into bitcoin (daily, weekly and/or monthly) however I would say even in the next 4 years you might still want to be in your accumulation stage, of course there are people here who have had bitcoin from the last 4 to 8 years yet still prioritize buying more bitcoin or in your terms still in their accumulation stage. No matter the level of aggressive buying one might do with the level of confidence in bitcoin, I still see reasons even after 10 years as you said to keep buying more bitcoin.
Taking the OG's from the wall observer thread including JayJuanGee for instance still sees reason to keep accumulating more bitcoin even after so many years of buying, hence I put it to you @Mayor of Ogba that buying bitcoin shouldn't have a year limit as newbies as we may not even be able to accumulate enough bitcoin within the expected years. I encourage buying bitcoin regardless of it's price untill one have a significant amount of bitcoin sitting in a cold storage where it would be more safe to hodl.
so I am not selling my bitcoin cheaply to anyone because it takes me a lot of time to accumulate the amount of bitcoin I have now.
Perhaps, selling is never an option to use newbies in bitcoin investment, I personally haven't seen a reason to sell because with the basics we have acquired in bitcoin investment we shouldn't in the first place buy bitcoin with a certain amount of money that we cannot do without in a long period of time and before investing some considerations are being made like having an emergency funds that can serve at least 4-6 months hence keeping hands into our invests wouldn't be an option.
Wouldn't it as well be smart to say that accumulation stage should go on for as long as it is realistic that bitcoin will be in accumulation stage. For example, if I reach my goal and own like 1 BTC, but I see the statistics and know that 2% of the world's population now own BTC, but regulatory bodies are more prone to support BTC development and purchases through government organizations and businesses and it becomes evident that they are not against BTC. They pass laws that allow non-custodial wallets without sending you though cumbersome processes like KYC for every address you own and many other bad things. You realize that BTC has a bright future and you also realize that barely one owns it, would it then be right to stop accumulating when probability is high that BTC accumulation is only about to get started?
I think the right decision would be to then maybe adjust your goal and accumulate further as your estimate is that the market has upside potential. Unless you reached certain limits within your wealth distribution preferences, but stopping when you see it is about to get going should perhaps alter the first decision.