Spot Instances

Hello everyone, I am working on a project in the OpenStack environment. More precisely, I am looking into the implementation of spot instances as a cost optimization strategy and better resource utilization. If any community members could share their experiences and insights related to the following areas, it would be greatly appreciated. Implementation Strategies: How did you go about implementing spot instances in your cluster? Challenges Faced: Mention some of the challenges or limitations. Best Practices: Do you have any recommendations or best practices that you would like to suggest for seamless deployment? Thank you very much for your time and support.