To avoid making costly mistakes, you can conder,
Keeping separate funds for expenses and emergencies
Seeking financial advice from those who have been in bitcoin investments for long. Making informed investment decisions
Even though everyone must make their own decisions, but being informed and patient can help you succeed in the long run.
People should make a financial plan to meet a much more optimal investment where they can make some percentage for living expenses, savings or investments made in bitcoin. Basically, this has quite an impact on the level of income and expenses and if people are able to make a better balance then everything can be arranged to achieve a much better stage of life.
Investment is important to grow financial value to be better and people also need to think about the cost of living so that when the investment starts it will not affect their journey. If people are able to manage their finances more appropriately then I think that person will be able to invest responsibly.