Cost Analysis

Azure cost analysis can be found by selecting the subscription you want to see the cost for and then clicking cost analysis. In this tool, you can view costs by resource, resource groups, and services. You can also add custom filters to get to the data you want. This will create graphs and tables to visualize the information. Once you have the information you want you can download the data in multiple formats. Here is a link to the official documentation to learn more: Quickstart - Start using Cost analysis - Microsoft Cost Management | Microsoft Learn

Budget Alerts

Azure budgets let you set up alerts for your subscription that will notify you when you go over and/or if you are projected to go over the budget you set. To get to budgets you just need to go to the subscription you want to set a budget for and then select budgets in the left pane. Once there you can click add and then specify your budget. You can add filters to budgets that allow more customization for instance you can create budget alerts for only certain resources.  Here is a link to the official documentation to learn more: Tutorial - Create and manage budgets - Microsoft Cost Management | Microsoft Learn

Advisor recommendations

Azure has advisor recommendations that will automatically suggest recommendations that could save you money. Here is a link to the official documentation to learn more: Cost recommendations - Azure Advisor | Microsoft Learn