The difference between cash payment and advance payment of Ctrip.

Payment methods, price differences and flexibility are different.

1. Payment method: cash is paid in real time when the order occurs, and the advance payment is paid in advance.

2. Price difference: Generally, the paid price will be higher than the prepaid price. This is because cash orders need to be paid immediately, while prepaid orders allow customers to pay at some time in the future.

3. Flexibility: Pay-as-you-go orders are easier to cancel or modify because they have not been processed or confirmed. However, prepaid orders are limited in cancellation or modification because they have been paid in advance.