BlueNile, is a diamond online retailer, discuss how has BlueNile built its supply chain to keep costs low?

Explain the four major types of Internet auctions discussed in the chapter and how do they function.

–BlueNile, is a diamond online retailer, discuss how has BlueNile built its supply chain to keep costs low?

– List 2 retailers that build a supply chain to keep cost low-saved millions then discuss how they did it?