" Executives at Walmart did just as Welch had suggested, disciplining themselves and their suppliers to work on “price-based costing” instead of “cost-based pricing.” By ruthlessly rethinking, reengineering, and reinventing every little decision in every link of their supply chain, Sam Walton and his team created innovative new business models that delivered customers a much better deal. "

― Jason Jennings , The Reinventors: How Extraordinary Companies Pursue Radical Continuous Change