For the client I built an automated weekly insight system using n8n as the orchestration layer. The workflow triggers on a schedule, reads sales figures from Google Sheets, passes the data to a Groq AI prompt via a code node and formats three actionable recommendations. The results are then sent through Gmail. The stackβn8n, Google Sheets, Groq, Gmailβdelivers a handsβfree weekly briefing that replaces manual spreadsheet analysis.