Vacation homes sound like a luxury for only the wealthiest among us. And it's true: most vacation homebuyers earn significantly more than the national median income, and almost half make an all-cash purchase, based on a recent study from the National Association of Realtors. Interestingly, 80% of vacation homeowners bought the property solely for personal use. But with sites like Airbnb and VRBO on the rise, the idea of owning a second home and renting it out for profit might seem appealing, even if you aren't part of the one percent. But before you start shopping for the perfect beach house, Lauren Lyons Cole explains what you need to consider.