Merge pull request #42795 from kasparks/patch-7

Added RI recommendation

Author: PRMerger19

articles/advisor/advisor-cost-recommendations.md

@@ -31,6 +31,11 @@ If you want to be more aggressive at identifying underutilized virtual machines,
 ## Reduce costs by eliminating unprovisioned ExpressRoute circuits
 Advisor identifies ExpressRoute circuits that have been in the provider status of *Not Provisioned* for more than one month, and recommends deleting the circuit if you aren't planning to provision the circuit with your connectivity provider.
 
+## Buy virtual machine reserved instances to save money over pay-as-you-go costs
+Advisor will review your virtual machine usage over the last 30 days and determine if you could save money by purchasing reserved instances. Advisor will show you the regions and sizes where you potentially have the most savings and will show you the estimated savings from purchasing reserved instances. 
+
+With reserved instances, you can pre-purchase the base costs for your virtual machines. Discounts will automatically apply to new or existing VMs that have the same size and region as your reserved instances. [Learn more about Azure Reserved VM Instances.](https://azure.microsoft.com/pricing/reserved-vm-instances/)
+
 ## How to access Cost recommendations in Azure Advisor
 
 1. Sign in to the [Azure portal](https://portal.azure.com), and then open [Advisor](https://aka.ms/azureadvisordashboard).