On the blind spots discovered in personal transactions?

Winning ratio and profit-loss ratio, which one do you value more?

Can retail investors make a lot of money by trading? How can I earn it?

How to understand the phrase "the simpler the trading system, the better"?

What is the degree of simplicity here? Or the simplicity here is not what I thought, just use a few indicators, so what do you think of this sentence?

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

I have had a few positions liquidated recently, but fortunately the losses were not very large. I would like to ask everyone, is there any way to prevent liquidation? Is there any trading discipline?