If the round-trip airfare is not included, 3000-4000 yuan is enough for two people. Choose a good mid-end international youth hostel or inn for accommodation. The price is around 150 yuan, which is very comfortable. Besides, some outdoor sports are held occasionally, and you can take part in them when you have time. For example, if you have enough time, you can spend three days going to regular scenic spots, then you can spend two days going to Chashan stockade to experience the original Banna, and the rest day, wandering indoors.