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I think ill go with # 1 and #4 We really have to find a good strategy for our self because we don't have the same mind and goals. Even though our goal is to make profit still we have to consider if that strategy would fit to us. Commitment is always a part of success. Putting a lot of effort to study and of course dedication will make you succeed in trading.
Commitment in anyhow always gives you the benefits. If you focus and you really aim to succeed, using your commitment to do your research will allow you to understand better.
We all have the same view, but we have our own ways of understanding our advantages. Creating your own strategy comes after you learn how all the fundamentals will guide you and help you in succeeding from this venue of investment.
Keep analyzing before concluding it helps to lessen the chance of losing your money.