Personal medical costs (e.g., treatments or medications).
2. Beverages (e.g., alcoholic drinks, specialty beverages).
3. Travel or event upgrades (e.g., first class flights, private tours).
4. Optional hotel services (e.g., early check-in, late check-out, room upgrades).
5. Parking fees (e.g., at hotels, airports, or attractions).
6. Airport departure taxes.
7. Special requests (e.g., room preferences, dietary accommodations).
8. Lost or damaged property.
9. Activities outside the itinerary (e.g., additional excursions, tours).
10. Currency exchange fees (e.g., ATM withdrawal fees).
11. Telephone and internet charges (e.g., hotel phone calls, Wi-Fi).
12. Room incidental charges (e.g., mini-bar items, in-room movies).