“`html I run 7 websites, produce content daily across all of them, and haven't hired a single content writer. My monthly AI bill? Ninety-six dollars. Last updated: April 2026 KEY TAKEAWAYS The Three-Layer Stack separates free automation (Layer 1), cheap bulk processing (Layer 2), and premium intelligence (Layer 3)—running a 7-site operation costs ~$136/month 80% … Read more