Networking Costs
- Use Private IP for good savings and better performance.
 - User same AZ for max savings.
 

Minimizing egress traffic network cost
- Egress = Outbound; Ingress: Inbound
 - Try to keep internet traffic within AWS.
 - Direct Connect location in same AWS Region result in lower cost for egress network.
 

S3

NAT Gateway vs Gateway VPC Endpoint
