Collecting, cataloging, and trading token objects have long fascinated people. Psychologists believe that hobbies relating to collecting are helpful in reducing the amount of chaos in the mind. The art of collecting can produce an almost Zen-like state in certain people, and studies have suggested that the brain releases certain positive endorphins during mental collection and organization processes.

Thanks to the interactivity of the Web, more and more people from around the world are getting into collecting. The Internet offers sophisticated buying advice, a nearly limitless potential market for buyers and sellers, and, most importantly, the ability to specialize. Whereas the collectors of yesteryear had to focus on so-called mainstream items, like coins, baseball cards, and music albums; today's hobbyists can construe their collections far more narrowly.

For instance, there is an entire series of websites devoted to Barbie collectibles. Movie posters and memorabilia, autographs from sports personalities, pinups, sheet music, magazines, interesting advertisements, rare books, and many other line items get interchanged daily at a volume that actually impacts the national economy.

To protect your collection and your pocketbook, know the risks and priorities of supporting your hobby. Get experts to appraise high-ticket items before you put down any money. Educate yourself as to the rarities and errors available to collect. Most importantly, network with like-minded fans to discuss the pros and cons of strategies, so as to improve your odds of getting complete sets at discount.