Teens' eyes and ears are coveted by advertisers, but how do you make wise purchasing decisions? Maggie and Ethan shop for a bike and online for an MP3 player while learning and applying the 4 steps consumers should consider when making a purchase to make sure you're getting what you want and need: 1. Set a goal 2. List your resources 3. Shop carefully 4. Evaluate your purchase Resource management, goal setting, and the decision making process are covered. 16 min. Closed Captioning.