Current and historical net profit margin for Amazon (AMZN) from 2006 to 2020. Amazon key costs include cost of sales, fulfillment costs, marketing costs, technology & content costs, and general and administrative expenses. Amazon Key Costs and Profit Margins 2018. Amazon Cost of Sales during 2018 were $139 billion. Net profit … Amazon generated $233 billion of total net sales in 2018. Find out the revenue, expenses and profit or loss over the last fiscal year. Get the detailed quarterly/annual income statement for Amazon.com, Inc. (AMZN). Net income can be defined as company's net profit or loss after all revenues, income items, … Amazon gross profit for the quarter ending March 31, 2020 was $31.195B , a 21% increase … Amazon's "other" category, which is primarily made up of its advertising business, generated $4.8 billion in revenue during the quarter, which is a 41% increase from the year-ago period. Amazon gave fourth quarter revenue guidance in the range of $80.0 billion and $86.5 billion, compared to a consensus of $87.37 billion from analysts.