Augustus Chukwu

Built a marketplace revenue leakage detector this week 🔍

Stack: n8n + Supabase + Python Found: $18K-47K in test scenarios (30 days) Status: Open source ✅

Catches missing commissions, wrong rates, and discount abuse automatically.

GitHub + full guide:

Just shipped a new build in my financial automation series: a 90-Day Cash Flow Intelligence Engine.

It pulls data from bank/AR/AP/payroll, normalises it in Supabase, runs daily n8n workflows to generate a 90-day forecast, supports “what if we hire/cut/grow slower” scenarios, and...

Built and shipped a Payment Recovery Engine for a Fintech-B2B SaaS using Stripe + n8n + Supabase.

It:

→ Categorizes failed payments (expired card, insufficient funds, fraud, other)

→ Runs smart, category-based retries

→ Sends personalized emails

→ Tracks recovered vs lost revenue

...

🚨 SaaS companies lose 10–15% of revenue from billing errors—old pricing, missing overages, bad discounts & unbilled features.

I built an automated system that checks 100% of customers daily, detects leakage in real time, and alerts your team instantly.

📈 Results: $500K–$900K...