Is your child ready for a cell phone? Is he or she ready for the responsibility of carrying around a device worth hundreds of dollars just so they can take a few schoolyard selfies? And then there’s the monthly expense of adding another line to your account. But you know the day is coming. Mobile users are getting younger and younger, especially tweens and teens who take part in after-school activities or go home to an empty home before their parents arrive. When the time comes, however, plan to use the phone to impart some financial lessons about saving for and earning a privilege (not to mention about social media and technology responsibility). For more on this topic, read the full story on our sister site, Living on the Cheap.