true - but in multiples of instances. so 2xt2.xlarge = 1 t2.2xlarge. But if you have 3xt2.xlarge, then the swap cannot be partially for 2xt2.2xlarge . So you ha

true - but in multiples of instances. so 2xt2.xlarge = 1 t2.2xlarge. But if you have 3xt2.xlarge, then the swap cannot be partially for 2xt2.2xlarge . So you have to sell one of the t2.xlarge. its not very nice. that's why they have a reserved instance marketplace - https://aws.amazon.com/ec2/purchasing-options/reserved-instances/marketplace/ https://aws.amazon.com/ec2/purchasing-options/reserved-insta... what is new is the convertible reserved instances. I havent used it - and you may be right there. But i still maintain the GCP/Azure way is light years better