because we have all been long in this thread and have some level of knowledge on this subject matter of investment and doing wo using the best approach, i would give my little impute on this; as regard taking of profit from your investment, if your plan is to invest for a complete circle and by the end of the circle take out some profit, then that is not a bad thing and there might even be some ways you can plan out how you want to go about taking a portion of the profit that will motivate you to go again for the next circle.

for instance, you can decide that after you have invested for a period of four years that as a reward for such level of discipline you can take out 10% of your investment or the profits of your investment. that would not be a bad thing although if you don't have a serious need you want to use the profit for and bitcoin still looks better and bigger in the coming years, it will be better that you just let your holding be and not rush into selling it just for no serious reason. other plans might still work but in general, as long as it allows you to invest comfortably and you are not destroying the bitcoin stack you have tried to build by selling it and using it for just pleasures that is for a moment, then you are good to go.

the reason why longer span of time is usually considered when talking of bitcoin investment is that the concept of investing in an asset in the first place is not something you just jump in and because you have made small profit you opt out. you invest for the long term and it become what sort out the big dreams you hope to achieve or what gives you a better retirement time. selling in intervals of time that is too close will not allow you get the real benefit of long term investment.