Inventory planning and replenishment for Amazon is one of the many crucial factors to success, however out-of-stocks can happen, especially during peak buying periods like Cyber Monday, Black Friday, or the holiday season. Sales typically increase 4x for sellers in November, and 5x for sellers in December. Out-of-stock levels were 2.3% on Cyber Monday last year, up from a season average of 2.1%, which cost retailers as much as $177 million in lost potential sales. To help alleviate the risk of lost sales due to the out-of-stock products, Amazon has released a program referred to as "In-Stock Head Start." ‍ The In-Stock Head Start program allows your temporarily out-of-stock products to be automatically available for purchase by customers when the new shipment of your products…