What triggers this finding
Either Cost Explorer shows at least $50/month in potential Reserved Instance savings, or you have EC2/RDS instances running steadily for 30+ days with estimated savings of $50+ at a 33% discount rate.
Typical fix
Purchase 1-year no-upfront Reserved Instances or Compute Savings Plans for consistently running workloads. Use the AWS Cost Management console to compare options.
Example savings
Typically 30–40% off on-demand pricing — $50–$500+/month for accounts with steady compute spend.
See also: Severity and savings estimates for how Parsivex calculates figures on your report.