How change AWS EC2 Instance type using the EC2 Client

Many times you need to change instance size based on your needs or the workload you are heaving. what better than an automated task (script) to do this for you. Use this syntax so change an existing EC2 instace type.

aws ec2 modify-instance-attribute --instance-id <instance id --instance-type "{\"Value\": \"<new instance type\"}"
Also you can see the Video tutorial on how this can be done with very little effort.