1.Don't trade based on your emotions,just concentrate on FOMO and FUD.
2.Only risk the amount which can be affordable for you or just don't enter into that trade.
3.Don't use the technical analysis more,its just a tool to predict but still there is no reason for it to happen cent percent.
4.Don't day trade
More points about mistakes need to avoid are welcomed here for the newbie to learn.
I don't think that technical analysis is not applicable at all. In case no major events are coming technical analysis may help you in day trading.
Support and resistance concept can be useful.