Unit Cost is the price that amazon purchased the product. It is calculated by dividing Shipped COGS by Shipped Units. If Shipped COGS is not available we divide On Hand Cost by On Hand Units to determine the Unit Cost.
Amazon Fast Track buy box
Amazon metric used to measure vendor performance and product availability by taking into account in-stock percentages, pricing and selection of available items. If an item has a “Fast Track offer” the page states - Want it delivered Tuesday Dec 19th? Order in the next XX hours and XX minutes.
Total cost of the units, Amazon received from you during the selected time period.
