As every large & small business has experience, shipping & fulfillment costs have increased exponentially…especially during the last 2 ‘COVID’ years. Amazon’s logistics costs have skyrocketed over the past decade, with shipping and fulfillment costs growing almost 40-fold between 2009 and 2021 (revenue growth: almost 20-fold).
https://www.statista.com/chart/17207/amazon-shipping-and-fulfillment-costs/