A house that's dark and quiet for days at a time is a red flag that says "I'm empty! My owners are on vacation!" Without the proper vacation preparation, it's easy for criminals to see that you're away from home. By preparing for a vacation with a nod to safety, you can ensure that your things remain in your home, where they belong, while you're away. Follow these six easy vacation preparation tips to ensure your home appears occupied while you're gone: