they pause there Bitcoin accumulation and start building there back up funds also known as emergency, reserve and/or float funds and is okay, but one can still be building his Bitcoin investment and also his back up funds at same time, the only thing he needs to do is cut the percentage he was investing on his Bitcoin and then channel some to his back up funds.
What I think is that no matter what kind of investment you are going to dip your feet into, you should not always put all of your money into a single investment.
Diversification has been a concept well known among the community but people need to understand the actual importance of it. I always tend to cut my money into 50.50. 50% for investing 50% for saving.
From the 50% of the investment, I will then distribute it into different investments