Okay , maybe I will try using it just to see how it will be. That means if I have $100 to invest now I should try as much as possible to invest $30 first , then next month I invest $30 and the next month I still invest $30 right ?of course you cannot be completely correct in cryptocurrency. But using dollar cost averaging will save you a lot of money and you will make profit of the long run. It gives you the opportunity to buy at different price ranges.