Short answer: For a Node. js SaaS app, start with a hosted metrics path only when the dashboard needs aggregate trends, bounded dimensions, and operational alerts. Use a detailed event store when individual customer actions must remain searchable or auditable.
Source: [Dev.to](https://dev.to/felixhoffmann556/a-nodejs-saas-app-field-guide-to-lean-kpi-telemetry-and-hosted-dashboards-1d6o)