With Christmas fast approaching, you’re probably in the midst of your Christmas shopping for family and friends. Whether you’ve got young children, elderly grandparents or teenage nieces and nephews, shopping for presents can often be stressful. Many gifts such as gadgets and toys don’t come with batteries included, meaning you have an extra job on your list. Likewise, you might receive presents that don’t come with them either! With that in mind, it’s a good time to stock up on...