 Cell phones, music players, and portable game systems can be a lot of fun and expensive. That is when it comes to keeping them charged. Get in the habit of unplugging not only the device, but the charger from the wall as well. You see, by leaving the charger plugged in, you're drawing energy that you're paying for. It's called vampire power usage. Your savings could be as much as $50 a year. For more information, go to HowSmartRadio.com.