Today's milestone is complete. 08 — AI Invoice & Payment Automation Engine ✅ After a proposal gets accepted, the real operational work begins. This workflow automates the entire invoicing and payment process, reducing manual work and ensuring every transaction is tracked from start to finish. What this workflow does 💳 Automatically generates invoices 💰 Supports multiple payment providers (Stripe, PayPal, etc.) 📧 Sends invoices to customers automatically ⏰ Tracks payment status and due dates 🔔 Sends payment reminders before and after due dates 📊 Updates CRM and payment records automatically 📝 Logs every financial activity for auditing ⚠️ Includes retry logic and error handling for failed operations Each workflow is built as a standalone module, making the entire system scalable, reusable, and easy to maintain. Progress ✅ 01 — Lead Capture ✅ 02 — AI Qualification ✅ 03 — Follow-Up Automation ✅ 04 — Appointment Booking ✅ 05 — Sales Pipeline Manager ✅ 06 — Analytics Dashboard ✅ 07 — Proposal & Quote Generation ✅ 08 — AI Invoice & Payment Automation Engine Remaining Modules ⏳ 09 — Contract & E-Signature Engine ⏳ 10 — Customer Onboarding Engine ⏳ 11 — AI Customer Success & Renewal Engine ⏳ 12 — Workflow Monitoring & Self-Healing Engine Every workflow brings me one step closer to building a complete AI Business Operating System that automates the entire customer journey—from lead capture to long-term customer success. #BuildInPublic #n8n #AIAutomation #AIAgents #WorkflowAutomation #BusinessAutomation #OpenAI #Supabase