How to build a reliable trend trading system? Let's discuss

If you want to make money in trading, what principles do you need to understand?

What books did you guys read when you created your own trading system?

Why do many people say that those who use naked k to make orders are masters?

In the past few months, I feel that the more I study, the more I study, but it will decline. Sometimes I feel conflicted. I don’t know why?

Why do we still fail to trade after learning so many trading indicators?