Identifying Meaningful Swing Points: What Works, What Fails, and Why?

A few successful examples do not establish an edge, especially when losing trades can be ignored or explained away after the fact. I would want a dated journal, consistent rules, realistic fees, and enough observations to understand drawdowns. What minimum evidence would make you comfortable testing this approach with small size? My preference is to treat this as a hypothesis, not a promise of profit. A transparent journal and realistic execution assumptions are more convincing than a polished screenshot or a confident claim from a popular account. In your experience, what specific rule or metric best separates disciplined use of this market structure topic from guesswork?