I just got the April issue of American Patchwork and Quilting, and scattered throughout the articles and patterns are tips from experts. Little tricks and shortcuts that can make a project a little easier - and most of them are pretty good. This is my favorite:
Time-saver: cut accurately so everything fits the first time.
I'll have to try that next time, since my close-my-eyes-and-slash-like-a-maniac method hasn't proved to produce reliable results.