TL;DR: React Server Components aren't a replacement for everything you know — they're a new layer in the rendering model. Once you stop thinking of them as "components with restrictions" and start thinking of them as "the server rendered directly into your component tree," the confusion dissolves. This post is everything I wish someone had told me in month one. Table of Contents My First (Unimpressive) Reaction The Misconceptions That Kept Me Stuck The Mental Model That Actually Works Server vs Client: A Practical Breakdown Understanding the Boundary Data Fetching — The Part That Changes Everything Composition Patterns That Actually Work Where RSC Genuinely Shines in Production Performance: The Numbers That Convinced Me Server Actions: RSC's Missing Sibling Mistakes I Made So You Don't Have To The Migration Mindset Final Thoughts My First (Unimpressive) Reaction When React Server Components landed in the stable Next.js App Router, my first reaction was professional annoyance.…