Therefore, a long-term investor should first focus on emergency funds, keep a strong source of income as well as an emergency fund ready and continue to invest in Bitcoin for the long term, then good success will definitely come.
Having an emergency fund is important in bitcoin investment but not having it at first or not having a strong source of income as you said shouldn't stop you from not Investing in bitcoin or getting started with your bitcoin investment, for what you mostly need to get started is your discretionary income then along your investment journey you can now plan on how you can step up your emergency fund and also work on increasing your financial strength so you can keep your bitcoin investment going.