Can I get a static IP (elastic IP) on AWS's free tier? - Quora

What is the use of elastic IP in AWS? - Quora

web services - Elastic IP Address billing without any instance running - Stack Overflow

Connect Multiple Public IPs to a Single EC2 Server

How awesome is EC2 in web service?

Can I use AWS spot instances (t2.micro) for free when I'm in free tier? - Quora

Getting a Static IP Address in AWS with an EIP - Elastic IP Address

Using AWS Lambda to enable static IP addresses for Application Load Balancers

web services - Getting billed for Unused Elastic IP in my free Tier Account, even if I don't see any Elastic IP allocated in my Account - Stack Overflow

Set Elastic IP to a Lambda function with NAT instance, using CDK, by Tomoaki Imai