You had your chance to buy at $1.
You had your chance to buy at $10.
You had your chance to buy at $100.
You had your chance to buy at $1,000.
You had your chance to buy at $10,000
You still have the chance to buy NOW.
If you've failed all these times you deserve staying poor. No offence, but I think you had all the chances in the world. We can't make you rich by force.
In theory the bitcoin could be divided into satoshi so the possibility that in the future it will reach 1 million could also happen, there are not many bitcoins since many addresses are unusable because during these years many have lost private keys, so I am confident that in a few years the btc could reach sums unthinkable today.