using emergency money, savings money or loan money to invest i n Bitcoin, because you won't know how long it will take for Bitcoin to appreciate in value, and if you sell too soon you can regret your decision very soon, that is why using DCA is good if you want to buy some Bitcoin and hold.
If someone is using an emergency fund for Bitcoin investment then he will never enjoy this investment but will be a burden for him therefore you can only be satisfied with your investment if you use extra sum that you don't need for anything else and which is your own money means you have not taken for anyone for Bitcoin investment.
You will continue your investment if the amount is your own so you will not be worried about its return to the owner and also don't forget that success in Bitcoin investment needs time so if you are using an extra amount then no matter how long it takes you will be in patience and Bitcoin investment can be profitable only if you invest for longer time.
Using emergency funds to invest in Bitcoin is of course very wrong because we will not be able to carry out investments well and it is also very unlikely that we will be able to achieve the investment targets we make. investment and also we will be able to achieve the investment targets we make without having to worry about anything like people who invest using emergency funds.
To be able to achieve profits from investing in Bitcoin, of course this requires a process over a long period of time and in this case we must be patient because if we cannot wait for a long period of time to be able to gain profits from investing in Bitcoin.