Save money with this PowerShell function to switch AWS EBS Volumes from gp2 to gp3 :-D

Save-MoneyOnEBSStorage.psm1

function Save-MoneyOnEBSStorage {
    (Get-AWSCredential -ListProfileDetail).ProfileName | ForEach-Object {
        $ThisProfile = $_
        Get-EC2Volume -ProfileName $ThisProfile | `
            Where-Object State -eq 'in-use' | `
            Where-Object VolumeType -eq 'gp2' | `
            ForEach-Object {
            if ($_.Iops -gt 3000) {
                $ThisIops = $_.Iops
            }
            else {
                $ThisIops = 3000
            }
            Edit-EC2Volume -VolumeId $_.VolumeId -VolumeType gp3 -Iops $ThisIops -ProfileName $ThisProfile
        }
    }
}
Export-ModuleMember -Function Save-MoneyOnEBSStorage