Select a pay-as-you-go subscription for its flexibility to scale up or down based on demand, ensuring you only pay for what you use during variable workload periods.

Opt for an Enterprise Agreement subscription to benefit from volume discounts, assuming the project's budget allows for upfront commitments despite the variable workload.

Choose a free tier subscription to minimize costs, ignoring the project's scalability and compliance requirements.

Use a subscription with reserved instances for predictable workloads, disregarding the project's variable workload nature.

Combine a pay-as-you-go subscription for its flexibility during peak periods with an Enterprise Agreement for baseline workloads to balance cost and compliance needs.