One Component, Nine Pages: Solving SaaS Tier Management with React Server Components

This pattern solves a persistent pain point in SaaS product development: managing subscription-tier logic consistently across multiple pages without code duplication. By consolidating repetitive license-check branches into a reusable React Server Component, teams reduce maintenance overhead and prevent feature drift between subscription levels. The two-mode design flexibly handles both simple and complex tier hierarchies, making it a practical template for SaaS dashboards managing evolving subscription models.