Yes don't just look at graphs on coinmarketcap but rather get an understanding of three forms of analysis. Those are technical, sentimental, and fundamental, if you understand these you stand to do well imo.
Exactly, if you do not have some of the analysis to pull it through, looking at the charts alone will never solve the issue. In fact, without knowledge, how would one even know what to look for in a chart ?
A lot of people usually gamble their way into trading and they end up losing the little they should have been able to make good use of and increase with learning. Learning is the only thing that can solve our problem.
There is a lot to learn that makes it hard for anyone to tell you exactly what to do here, but one good thing about the whole thing is that there are lot of resources online that you can make use of to get the very best of trading knowledge and unless you do that, you will just end up losing so much at the end than what you are going to gain eventually.