GOLD TRADING SIGNAL - BUY OPPORTUNITY

What should I do if I am about to liquidate?

I have been unable to set the stop loss in the transaction, how can I do a good stop loss?

As a "trader", what trading discipline do you have to restrain yourself?

For the real-time market, should we keep our original intention or follow the trend?

Fund management has always been a headache for me. May I ask you guys, how can I do a good job of position control?