What aspect of AWS allows customers to pay less over time as the service scales?

The correct choice highlights the concept of economies of scale, a fundamental principle in business and economics that explains how, as the volume of production increases, the average costs per unit typically decrease. In the context of AWS, this means that as customers consume more resources or services over time, AWS can provide those services at a lower cost per unit.

This is because AWS can distribute its fixed costs over a larger number of users and services, leading to cost efficiencies that benefit customers. The infrastructure AWS builds allows scalability, where the cost of providing additional services decreases as more customers use them. For instance, larger customers may benefit from bulk pricing or reduced fees per unit as they scale their usage of compute power, storage, or other services.

This dynamic is powerful for businesses that anticipate growth, as it means they can plan their budgets with the expectation that their overall cost per resource will decline as they scale up their operations.