The cost of Ctrip's free travel varies according to the destination, itinerary and personal consumption habits. The cost of free travel includes the following aspects:

1. air ticket: the air ticket price will be different according to the departure point and destination.

2. Hotel Accommodation: The type, location and room type of the hotel will affect the accommodation expenses.

3. Catering: Catering expenses vary according to personal tastes and consumption levels.

4. Transportation: including urban transportation and intercity transportation, such as taxis, subways and high-speed trains.

5. Tickets: If the itinerary includes tickets for scenic spots, you need to pay an extra ticket fee.

6. Shopping: Shopping expenses vary according to individual shopping needs.