There are many promising projects which, if it is good to mine in ten years, will cost a lot. Starting from veil and grin and ending with ravencoin and beam. It's never too late to start.
The main thing is to correctly calculate and understand technology.
Tell me how to choose or guess these projects? After all, there are no guarantees that modern projects will cost something in a few years.
it's not that much about guessing but more about analysis.
cointrader_nic has extensive material on the topic,I suggest you to check his PDF