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Could have also added a large block on the bottom saying "Bitcoin".
Your question was "what you need", not "what you think you need".
Discussion
At this moment I wouldn´t advise people to go all in bitcoin if they didn´t do the research and have full conviction. Have only bitcoin and no fiat when you are ready for it.
For peoples savings I would definitly advise to go all-in Bitcoin. At least under the assumption they are cashflow positive.
