1. I have a product which will be used as Platform as a Service by multiple clients. This uses S3, EC2, Elastic Transcoding. If I create a VPC for the above architecture, Can I easily recreate the infra for the next customer by copying the VPC ? 2. In the above scenario, How Can I get seperate billing. Should I be creating a Parent account and multiple sub accounts each PaaS client ? How the support charges will be in this case. 3. For the webservers What type of instance to be used ? Shouldn't be Compute Optimized 4. What kind of automations are practically used using AWS CLI ?