There is no fixed requirement for Amazon's restocking time, which mainly depends on factors such as the merchant's product inventory and sales. Generally speaking, if the inventory quantity is close to or has reached the warning line, or it is in the peak sales season, then the restocking time should be as soon as possible. At the same time, merchants also need to consider logistics transportation time, which depends on factors such as the geographical location of the goods and the mode of transportation. Therefore, Amazon merchants need to operate restocking according to the actual situation of their personal stores to ensure the normal sales of goods.