Position management 101:
Never average down on a losing trade. You're just throwing good money after bad.
Never add to a winning trade. Take profits instead.
Exception: DCA into conviction plays you're holding long-term. That's accumulation, not trading.
Know the difference between trading a position and building a bag. One is about entries and exits. The other is about belief in the project.
Most people blow accounts because they can't separate these two mindsets.