If we can only choose one method for our basis on trading, then it should be the technical analysis, but it do need a lot of work and time, if you will be coming up with good decision making and good data analyses, your hardwork will be paid off.
By way of alternative, event news will be a good source of new trends, you might consider riding on the hype that might happen, or you might also consider between going out or in at a particular crypto investment.