Buying aggressively all the time is not a good idea. Because if a person buys aggressively every time, if he needs some amount of money, then maybe that person can get very broke. For example, if a person invests with 80% or 90% of his discretionary income all the time, then when there is a small financial crisis, he will have to depend on his emergency fund or take a loan from someone. But yes, how much % to invest is completely their personal choice. But I think it is right to invest 35% to 45% of your discretionary income. Because it will not be too aggressive and not too low.
You can continue to buy continuously by adopting the DCA method and if you see a decline in the market, you can buy aggressively if you want.
Do you think that a person should never invest aggressively in Bitcoin?
Of course a person can buy Bitcoin aggressively. When he is meeting his basic needs very well every month and has a healthy amount of money in his emergency fund, my question to you is why wouldn't a person invest aggressively in Bitcoin? When he sees that investing in Bitcoin is better than other investment areas in many ways.
You said that the evidence is that investing in Bitcoin will cause him to suffer in emergencies. So what is the purpose of an emergency fund?
Again, you said not to invest the entire portion of his discretionary income in Bitcoin. And it seems that a person can sometimes invest the entire portion of his discretionary income in Bitcoin because then he has an emergency fund to meet his needs in emergencies.
Yes, until a person builds a healthy emergency fund, his focus should be on the emergency fund.
There is certainly nothing wrong investing aggressively into bitcoin without overly doing it beyond your Discretionary income in a way that it will not affect your bitcoin investment, most persons buy aggressively because there is dip without any initial budget and get carried away and overly do it without considering if they have the Discretionary income to sustain their bitcoin investment, so buying aggressively shouldn't be base on their is dip rather than the level of your Discretionary income.