Here's a neutral, objective, and interesting summary of the text in one paragraph: Companies can reduce their AWS costs by adopting certain strategies when using reserved instances. One approach is to configure reserved instances to be region-scoped, which improves utilization and reduces the need for instance deployment into specific availability zones. Buying reserved instances with no upfront payment option allows flexibility in case of unsold capacity. Additionally, selling excess reserved instances on the marketplace can generate additional revenue, but it requires converting instances to a specific AZ and navigating an intuitive UI. By implementing these strategies, companies like Ambassador Labs have successfully managed their reserved instance costs with minimal investment in time and effort.