Trading Stocks like a professional - Chapter 5 & 6 - Q&A

In trading, how to solve the problem of being hit by the market back and forth with stop loss? What is the basis for the solution?

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?

What is a perfect trading system? Or is there a so-called perfect trading system?

In the era of bad technical indicators, can you still make money from technology?

What is your basis for entering the market?