If your aim is to get rich with bitcoins I think you are a little late I think you have a way better chance with altcoins instead since the prices can go sky high very rapidly unlike bitcoin, if you are a good trader bitcoin can give you good earnings but not as much as before.
It is still not that late if you are thinking that most of us are late to become rich in bitcoins, well it is still not. Because if you are going to work hard there is still the time that you can earn good amount. It depends on how determined you are to earn good amount, especially in trading, there's no time required on it, what you need is patience.