No, it is never too late to invest with bitcoin and other profitable crypto currencies. You just have to do your own research about the coins which could be of use in the near future. The economic growth across the world will be contributed through the innovation of crypto currencies. The utilization in different aspects brings our generation to the next level.
There is no deadline to any success. You just need to exert a lot of effort and learn to love and be responsible of what you are doing. You can always be successful if you are dedicated to the work that you are doing with also the help of the prior knowledge that you have gained from researching. And always remember to leave a room for learning. It is not just to earn but also to learn.