Regardless of the quantity, as long as it can established a good and stable business, then good.
Without a proper cycle and good management, even how much Bitcoin we have to support our retirement, it will soon deplete.
In retirement period, it doesn't mean a full relax. Expect many expenses (like medicines, sudden health problems) to the point that we are forced to sell our crypto assets. That's why it's better to make something good out of it so money will continue to flow even at retirement period.