Cost of Microsoft cloud is operational. This means every month you are going to get bill just as your grocery/ electricity/ phone bills. Having said that, companies are struggling these days to perform cost optimization or cost reduction on their Microsoft Azure spending.
Current article provides an Azure cost optimization tip by sending the list of unassigned public IPs present in your Azure subscription; as an email using Azure PowerShell and Azure Automation runbook.
Also I am talking about cost optimization (or cost reduction) for Public IP addresses related to Azure Resource Manager (ARM) mode.
Details around this script can be found out here - http://sanganakauthority.blogspot.in/2017/05/azure-cost-optimization-send-unassigned.html