When you plan a vacation, there are numerous details to hammer out. From booking your plane tickets to reserving cars to putting in vacation requests at work, you don't want to miss a single important detail. As you get closer to the date of your trip and you start to feel like things are pulled together, you can turn your attention to your packing list.Packing for a vacation, no matter how far you are traveling or how long you will be gone for, is a vital aspect to enjoying your trip. Without the right items tucked away, you can find yourself wasting valuable vacation time searching for something you could have easily packed. This is particularly true if your travels will take you internationally to a place where you don't speak the language fluently. Something as simple as finding a shop that sells Advil might become a complicated endeavor. Check out the following must-have buys for your upcoming vacation and be prepared for whatever the trip brings you.