NEW YORK (MainStreet) Vacations are supposed to provide an opportunity to get away from it all, but oftentimes they create more stress than serenity. Even if you set a budget ahead of time, unexpected expenses can arise that prompt you to spend more than you originally planned. Of course, being overly frugal isn't always a good idea, either. After all, you might regret missing out on cool experiences or unique purchases that you just can't get at home. To find out how to make smarter choices on your next vacation, we asked six people to confess the biggest money mistakes they've made while traveling. Read on for their stories.