Some common problems a traveler may have include language barriers, getting lost, missing transportation connections, dealing with cultural differences, navigating unfamiliar customs and etiquette, handling unexpected emergencies, and managing travel logistics such as accommodation, food, and transportation. Travelers may also face issues with currency exchange, communication with locals, adapting to new climates and time zones, and encountering various health and safety concerns. It is important for travelers to be prepared, flexible, and resourceful in order to overcome these challenges and make the most of their travel experiences.