Note: must be using the Swantide Product Data Package to have access to this workflow
Use Roll-up fields to sum the total ARR across all Product Instances onto the Account level to give you a holistic view of ARR on Account's with many Product Instances. Talk to your Customer Success Manager or submit a Slackbot Request if you are interested in including logic into the rollup summary. For example, only Product Instances meeting a certain criteria, etc.