Ted Stevens owns an internet-based bicycle accessories website that sells bicycle tires, tubes, chains, sprockets, and seats as well as helmets and water bottles. The bicycle parts aftermarket is competitive, and Ted realizes that having both a low price and sufficient inventory to offer same-day shipping are critical to his success. He has a global supply chain and relies on many different supplier sources for the quality products his customers demand. Ted sells more replacement tubes than any other product. For this item, customers