Hello! That's an exciting plan to visit Tozeur, Gabès, and Hammamet in Tunisia. Here are some tips for your travel.

Best Time to Visit:
The best time to visit Tunisia, particularly Tozeur, Gabès, and Hammamet, is from April to June and September to November, avoiding the peak summer heat and the cooler winter season.

Route and Accessibility:
You can fly into Tunis, the capital of Tunisia, internationally, then continue your journey domestically. Trains, buses, and car rentals are available within the country. Tozeur and Gabès have airports too, and they also can be reached by train from Tunis.

Accommodation and Booking:
Booking in advance is highly recommended to secure the best places. Accommodation options range from budget to luxury hotels in all the cities. Online booking platforms are the most convenient way of securing your reservation.

Clothing and Essentials:
Carry light cotton clothes suitable for a desert climate, along with sun protection like hats, sunglasses and sunblock. Do remember to pack a warm layer for cooler evenings.

Health and Safety:
Ensure you have travel insurance, have taken routine vaccines and are protected against Hepatitis A and Typhoid. Tap water might not be safe to drink, so always opt for bottled water. As with any travel, ensure that you keep your belongings safe and be aware of your surroundings.

Local Etiquette and Respect:
Tunisia is a predominantly Muslim country, so respect local customs and dress modestly, especially when visiting religious places. Tipping is a common practice in restaurants and for service providers.