DislikedIn no particular order of priority:
1. A basic understanding of why price moves, and the chart patterns that it subsequently creates. In short, supply & demand, support & resistance (see here), candle ranges and (believe it or not) volume.
2. An understanding of correlation and currency strength, i.e. how to maximize the probability of finding the strongest, cleanest moves.
3. Understanding that many widely believed trading 'maxims' are in fact myths. I posted...Ignored
I am learning!