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You cannot do the DCA well if you are been bothered or not been satisfied so we need to focus on our investment and think more positive outcome from it. Also don't invest your hard earned money especially if you can't afford to lose it just use the extra one so to avoid getting much affected on the market movement since we know market is so volatile that's why we need to prepare our emotions for this scene.
what people need to be able to focus on their investment is they need to think about the big picture of their investment and invest the money that they are ready to invest. because there are many investors when doing DCA they are not ready to use their money for that, and when the market experiences a shock, they end up worrying about their assets that are decreasing in value, and then they sell some or all of their assets because they are not sure about the market. that's why the key to DCA investment is how someone can be consistent and invest some of their money that they are ready to invest and let it grow in their wallet.