Whether it’s a family road trip or a girls’ weekend to a new city, we’ve all experienced the highs (and lows) of traveling in a group. In an ideal world, everyone returns home with a collection of shared memories that make you friends for life, but in reality, things more often fall closer to "I never want to see this person again." Our golden rules for a successful group trip? Choose your travel partners wisely, and, when it comes to money, honesty is always the best policy.