Yes, emergency funds should generally be used for emergency purposes. If someone tries to use it for his daily work without doing so, then he has not gained proper knowledge about the use of emergency funds. People love to spend their income after it is earned. But if he spends money at the time when he is supposed to save for his future, then he will go through a very bad situation in the long run. An earner must save a part of his discretionary income and another part for regular savings and so that he can be protected from any unexpected danger. By doing this, he will be able to complete his investment-related tasks smoothly.
As we all know about this saying, he who fails to plan, is planning to fail, and that is how Bitcoin investment is. We live in a world full of troubles and uncertainty, so it's wise to prepare for every uncertainty, that's why emergency and reserve funds are very important for the survival of your Bitcoin investment, an emergency funds should only be tempered with in case of real life emergencies that threatens your holdings, anything else should be addressed with your reserves funds, so proper money management skills is greatly needed for you to be successful in your Bitcoin investment.