When prices are fluctuating, how do you know when to buy?
DCA might be the right choice when someone believes their investments will appreciate in the long term and experience price volatility on the way there.
You only need to know the market trend, is the market in bearish or bullish year. It can help you to plan your capital for your investment, entry or exit.
In general you can always use DCA strategy to buy Bitcoin and with this strategy, you will accumulate good amount of bitcoin after a long time. It will help you to get good ROI for your investment too.
By DCA, you will less affected by market fluctuations and news. You simply purchase gradually and only need to know when is a bullish year to take profit, gradually too.