If you absolutely have to check a bag, take a digital photo of it (which will help you describe the bag if it gets lost) and a close-up of the airline's baggage tag (so you have a record of the airline's routing info). If nothing else, snapping the photo will remind you to verify that your bag is labeled with the correct destination airport code.
Travel is full of pitfalls. One wrong step and your vacation could be ruined by a seedy hotel room, an overpriced restaurant, a wasted afternoon at a tourist-trap attraction or an overnight flight crammed in the middle seat. So, guarantee a smooth trip by planning thoroughly. Here's how to make all the right moves.