As an investor who is targeting or who has the long term mindset you don't really have business with Bitcoin volatility and you don't even need to avoid it because it doesn't affect your investment so long as you are accumulating and holding for long term and especially if you are using the most convenient method ( DCA method) because you can invest at any given price condition
If you are planning to hold bitcoin for a long term, little changes in the market is not even suppose to disturb us because our plan is to hold for long term, the only people that are suppose to be disturbed by the volatility of the market are day traders, or short term investors, but if you are planning to hold for long term, you are not suppose to be disturbed with little changes in the market.
Even whenever there is a dump in the market, you should know that with time it’s going to bounce back, since you are planning to hold for years, even if there is a dump, you are not even suppose to check the market. The people making real money are the long term investors, and it’s less risky. When investing just make sure you making use of DCA strategy, and your target should be a long term investment.