How I made over $100K this year by accepting a 1-hr n8n gig
Hey guys,
2025 has been a wild year for me. Went from serving Fortune 500 clients, to that company liquidating, and then making $100K from a single client requesting n8n automation help.
This client had posted about needing someone to teach them how to setup and evaluate an n8n automation for automating legal pleading responses.
I attached the proposal I responded with and the first workflow. After meeting with him I built a 7 workflow Automation that:
  • Watches a google drive folder for new documents related to a case
  • uses OCR to extract text from the document
  • Reads all the case documents + the new doc
  • Extracts arguments + facts + case law
  • Forms an informed response using a case law research AI Agent
  • Drafts it with proper case law citation
  • Sends it to proper attorney to review
Tech Stack -
  1. n8n - for orchestration
  2. OpenAI - AI Agent definition
  3. AWS Textract - for OCR
  4. AWS lambda + AWS S3 Bucket + Python - b/c n8n doesn't have great AWS Textract connectors
  5. CourtListener + Google Scholar - Case Law research AI Agent
  6. Google Drive - for triggering the workflow
This workflow was about a $10K engagement and finished it in about a week. I closed a bunch of other work with him based on other projects he was working on that resulted in the rest of my income from him this year.
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Andrew Castillo
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How I made over $100K this year by accepting a 1-hr n8n gig
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