To be determined according to the customer traffic of this online store as well as sales.

If a store sells ten pieces of goods in a month, calculated at ten dollars per single shipping cost, then the shipping cost for a month is about 100 yuan

If a store sells 100 pieces of goods in a month, calculated at ten dollars per single, then the shipping cost is about 1000 yuan

Also this estimate is necessary to build on the basis of the guiding sales.