The DCA strategy is not mainly for the poor or people with insufficient funds; the DCA strategy is for both the poor and rich guys. Anyone who uses the DCA strategy to accumulate bitcoin wants to be free from waiting for the bitcoin price to reduce to a certain extent before he or she can buy bitcoin. With the DCA strategy, you can accumulate bitcoin anytime you want to buy it without worrying about whether it is the right time to buy it or not.
Yes, investing in DCA method is not only for poor people. It is better for everyone to invest in DCA method. If you invest without following DCA method you may regret at some point. How to Regret For example: Bitcoin price is currently at $51k now if you invest your funds together unfortunately you may regret if Bitcoin price drops from $51k to $40-45k. On the other hand, if you invest in the DCA method, you can buy bitcoins at lower or higher average prices. So for all individuals rich or poor it is best to invest in DCA method.