Instructions
Research what type of Depression glass you'd like to buy. Are you interested in a particular piece, such as a fruit bowl or pitcher, perhaps? Or are you interested primarily in color? Some of the most highly prized and collectible pieces of Depression glass are green, pink and blue--but other colors such as red, amber and amethyst are also sold.
Go to your library and check out a book on Depression glass (a popular title is "Mauzy's Comprehensive Handbook of Depression Glass"). This will give you a better idea of what type of glass you're interested in buying (as well as provide you with a guide to prices for the pieces you like). There are many patterns and styles available. Some of the most popular styles are Mayfair, Princess, Cloverleaf and Florentine. They can be viewed online as well through www.depressionglass.net.
Visit some local antique dealers and shops now that you have a particular style of Depression glass you're interested in and a price range. Another fun place to find bargain-priced Depression glass is your local flea market (most are held on weekends). Don't forget the online markets as well, as eBay and many other online antique dealers offer a wide selection of Depression glass, and very reasonable shipping rates.