Don't chase after big benefits. I think point of short-term is quick money, not always big. Just check the rates and predict its tendences for nearest time.
I think that this question is inappropriate in the current state of the cryptocurrency market. The fact is that the opportunity to make a profit every day with the help of trade has decreased several times. Today it is better to direct your finances into investments and leave your portfolio for long-term storage.
Short term investment is risks you must put all your effort in order for you to monitor your investment. Learn the risks you might lose if you are not ready about crypto volatility of price. Yes actually long term investment is good.