Amazon EC2 provides you several pricing options that can help you significantly reduce your overall AWS bill, including On-Demand Instances, Spot Instances, Reserved Instances, and the Reserved Instance Marketplace. This session covers high-level architectures and when to use and not to use each of the pricing models for components of those architectures. We walk through several customer examples to illustrate when to use each pricing option. Additionally, we walk through tools that may be useful to determine when to use each pricing model. This session is aimed at technically savvy managers and engineers who need to reduce their cloud spending.