Cloud costs can easily spiral out of control with simple administrative mistakes with temporary VM's being left on, misunderstanding storage costs, over provisioning and many more which can present serious problems when the Azure billing is invoiced. Azure budgets can be easily utilised at a subscription level to bring an element of cost control to your Azure estate, they can be scoped so they can be based on subscription, resource groups or a collection of resources and can be configured to trigger numerous types of alerts so you can address a small issue before it becomes a large issue with financial consequences.
This article shows you how to look at your monthly projected forecast, set a budget then setup a trigger to send an email based on a percentage of the budget.