What is the most cost-effective operation of changing the number of a Chinese Odyssey 2 Jubaoge?

Go directly to the treasure cabinet to screen one turn and two turns to buy the most cost-effective one.

Farman's estimate is not enough. It's best to find a popular area. The area code with few people is naturally cheap, and the oldest area is impossible. Don't go to the ghost area. Now, the cost adjustment of cross-service transaction has reduced the minimum cost of cross-service transaction, and the upper limit of transaction cost has been raised to 1200, which means that no matter how expensive the high-value goods are in the future, only the corresponding amount will be charged, which can be said to have promoted the overall trading environment.