Noticed all these recommended permissions in that doc page:

               "ec2:PurchaseReservedInstancesOffering",
               "rds:PurchaseReservedDBInstancesOffering",
               "elasticache:PurchaseReservedCacheNodesOffering",
               "es:PurchaseReservedInstanceOffering",
               "redshift:PurchaseReservedNodeOffering",

Curious about plans for those services other than EC2 given that they don't currently seem to have Reserved Instance Marketplaces

Also curious about any plans for other services with general reservations like CloudFront