How the small town of Roundup, Montana, became a hot spot for 'prep centers,' and an important part of Amazon's supply chain
March 31, 2020 at 11:01 AM EDT
Alhough not overseen by Amazon directly, prep centers work with Amazon's third-party sellers to get packages ready to be shipped to Amazon's warehouses. CNBC traveled to Roundup, Montana, to explore why a number of these prep centers have popped up in the area.