There is no technical analysis method that is optimal. Good way to become a professional trader is time and experience. Market observation long enough, loss enough, just a few basic tools, you will gradually better
I agree, the longer you are exposed to trading the better you'll become because as the time goes by and as your experiences increase you'll get to fully understand how the market works and also as you understand it better you can come up with strategies that can help in ensuring your success. Losses and mistakes are inevitable so we just have to deal with it and make sure to learn from your mistakes and don't do it again.