Grafana is a widely acclaimed open-source visualization tool used by DevOps engineers and SREs for monitoring time-series data through its aesthetically pleasing and customizable dashboards. The process of building these dashboards can be challenging, especially for beginners, but the clarity and efficiency of a well-constructed dashboard can significantly impact the troubleshooting process. Key strategies include understanding the metrics being monitored, maintaining simplicity to avoid information overload, starting small and scaling gradually, focusing on readability for team collaboration, and utilizing Grafana's variables feature to manage multiple monitored objects seamlessly. Additionally, leveraging community-contributed dashboards can save time and effort, as Grafana's popularity is bolstered by its extensive community support. While Grafana and Kibana share some best practices, Grafana is often preferred for its support of multiple data sources, making it a top choice for visualizing complex monitoring systems.