Vasanth Thiruvadi describes in detail why Amazon, and other tech companies, pay so little in taxes. Vasanth has degrees in finance and accounting and until most recently worked as an accountant for start-ups, venture capital firms and other entities located around the United States. 

Amazon's statement: https://www.aboutamazon.com/news/job-creation-and-investment/amazons-economic-impact-in-the-u-s

Vasanth's newsletter: https://nextbite.substack.com/

Vasanth's twitter: @NextVasanth