How many BTC will make you a fiat millionaire ($) in 5 years? Why?
I guess in the next 5 years, bitcoin price should be reach at least $4000.
If you have 250-500 btc, then it will be around 1.000.000-2.000.000 million USD, not bad.
The problem is, how to collect all those amounts in 1-5 years, not an easy job to do.