Learn to foresee the most significant problems you'll face by multiplying the probability of an event by its impact on human-friendly seven-point scales. The result is a final estimate of importance on a scale of 0 to 100.
Concrete ideas to modify and expand this hack go here.
Freeform discussion of this hack goes here.
Errata go here.
This is a page for a hack from the book MindPerformanceHacks by Ron Hale-Evans.