Use a single subscription and resource group for all applications to simplify management.

Create separate subscriptions for different compliance requirements and use resource groups for application-specific isolation.

Ignore management groups and focus on individual resource optimization without considering the overall structure.

Use a flat structure with minimal management groups and rely heavily on tagging for resource utilization.

Implement management groups to hierarchically organize subscriptions by compliance and performance requirements, and use resource groups within subscriptions for application-specific isolation.