And if you have a money crisis, you can invest weekly with all the money, in this way your investment will be quite big after a long time and if you can continue to invest in the DCA method for a few years, your portfolio will be much bigger.
Bitcoin is risky, so don't invest all your money, invest what you can afford to lose. If we invest more money than we can afford to lose, it becomes difficult to hold the investment for long. We believe investing in Bitcoin will be profitable in the future, but we cannot guarantee 100% profit. So invest as much as possible in DCA method. We should invest in bitcoins as well as save emergency funds. We should try to invest as much as possible after meeting family expenses from our income. As you said, if the amount is small then there is no problem, if you continue to invest in DCA method for a long time then at some point the investment amount will be huge.