It is difficult to predict the future of cryptocurrency. Perhaps it will be a great success, but there is always a chance of total collapse. But for today I see enough reasons for success.
You have to balance your position, if you think that it will grow more then save some investment for long term, but if you see that you can work with the sway then try to deal with short term trades and earned, its up to you if how you interpret the situations inside the market and how will you go and take your chances.