If you're planning a trip to Vietnam, you're in for a treat—Vietnam is an amazing country with something to offer everyone. From the bustling metropolis of Ho Chi Minh City to the stunning beaches of Phu Quoc, there's something for everyone in Vietnam. To help you make the most of your trip, we've put together 15 tips for an incredible trip to Vietnam. photo: Thành Đỗ 1. Do your research. Before you book your flights…