Data Transfer is NOT Free

In the cloud, you usually pay for data moving out of the region or across Availability Zones (AZ).

NAT Gateway Traps

NAT Gateways charge per GB processed. We'll explore how to use VPC Endpoints (PrivateLink) to keep traffic within the AWS backbone for free or lower cost.

Multi-AZ overhead

Understand the trade-off between high availability and data transfer costs.