Ask HN: What is the single most competitive advantage in any field?

Vision: Once your vision is clear -- one is more likely to execute decisions about strategies, markets, finances, etc...

A hungry crowd. And private access thereto.

Attitude. With the right attitude you can fix all other aspects, but the opposite is not true.

Execution, because it amplifies/dampens other legit advantages.

Web of connections you have, any day.

Location.

Learning.

STRATEGY!