Smashing Mag article:
Seven JS Things I wish I Knew Sooner
Javascript & jQuery for Platt College
Smashing Mag article:
Seven JS Things I wish I Knew Sooner
A good standalone plugin can also make you a fair amount of money. Many developers make a decent living by simply maintaining and updating one or two crucial plugins that are far better than anything available for free. — Robert Duchnik, jQuery Plugin Development In 30 Minutes