What are your strategies for managing and scaling microservices in Kubernetes environments

This question is related to the best strategies to manage and scale microservices within Kubernetes environments, regarding strategies and tools to deal with scaling, high availability, and service resilience. A good answer would describe approaches such as horizontal pod autoscaling, resource quotas, and applying service meshes, like Istio, toward the management of complex communication between services. More information on the monitoring, load balancing and best-practice strategies towards making deployments simple in a scaled environment would complete this review.