Each person own 1 Bitcoin and hold on to it for 20+ years.
Bitcoin is the best investment of all time. Owning Bitcoin is better than owning a house.
We know that that is not going to happen at all, so do not get your hopes up for something like this to happen because it will not. To many people would become rich if that happens.
Its is not possible for bitcoin price to be $1,000,000. It cannot happen in next 100 + years also. I must say that no one can think of such a bitcoin price in dream also.