we must also have an emergency fund, whether it's setting aside an emergency fund before buying BTC or saving for it at the same time as we buy BTC. And of course, this emergency fund must be increased over time, because if it isn't increased, our long-term BTC investment could be at risk of being sold and ultimately failing to achieve a profit.
After investing, we definitely need an emergency fund. There are many people who have worked for a long time and have saved a lot of money. If they want, they can use some of the money they have saved as an emergency fund and start investing. But those who do not have any saved money can create an emergency fund along with investing if they want. For example,
*You invest $50, from that you can keep $20 for the emergency fund, and you can invest the remaining $30.
*A person should remember that it is very good to keep 3 times his stable income in an emergency fund or 3 times his monthly expenses in an emergency fund.