It would be excellent if the free courses do not focus on technical analysis, because the best thing before doing technical analysis is to learn to understand the market, that is the ideal way to face the market, if only technical analysis is carried out, the probability of failure They are very large, but if the market is analyzed and a conclusion is drawn about what the market can do or how it can move in a given time, the technical analysis has a high probability of success, this may include: The correct way to read the volume, supply-demand, some theories made by speculators and investors.
Every course has different strategies and methods they teach.
Its up to you to find which suits you.
Goodluck with that.
If you're willing to join these online courses just for you to learn more in trading then it is good for you. I just want you to understand and realize the not all techniques can be learned in those online course, trading with experience and practicing your skills to become more effective in the market is really necessary.
You should not rely only to those online course, you need to help yourself adapt in the market, you need to learn how to adjust and become more flexible depending on the market situation.
Failure is normal, losing in trading is a part of trading, especially that it includes money and the results of your trading depends on you. That's the reason why people are becoming professional and more effective, it is because of the mistakes that they did in trading. They realize that mistakes are essential for you to minimize the money you lose in trading.
Also there are things that you can't learn in doing online courses are, for example, self-discipline, self-examination, self-control and etc., that will help you not only in trading, but as an individual.