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Monitor Construction Stock & Send Low Inventory Alerts with Google Sheets

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Last update 4 days ago

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Description

  • Automates stock maintenance for real estate (e.g., construction materials, office supplies).
  • Monitors stock levels, processes additions/deductions, and sends low-stock alerts via email.
  • Uses Google Sheets for data storage and n8n for workflow automation.

Essential Information

  • Daily workflow to check and update stock levels.
  • Stores data in a Google Sheet for easy access and analysis.
  • Sends email notifications for low-stock items based on predefined thresholds.
  • Supports dynamic stock updates via API or form input (configurable).

System Architecture

  • Stock Monitoring Pipeline:
    • Daily Stock Check: Triggers daily to initiate stock monitoring.
    • Fetch Stock Data: Retrieves current stock levels from Google Sheet.
    • Update Stock Levels: Processes stock additions or deductions.
  • Alert Generation Flow:
    • Check Low Stock: Identifies items below threshold.
    • Send Email Alert: Notifies stakeholders of low-stock items.
  • Data Management:
    • Update Google Sheet: Saves updated stock levels and timestamps.

Implementation Guide

  • Import the workflow JSON into n8n.
  • Configure Google Sheets credentials and specify sheet ID.
  • Set up SMTP credentials for email alerts.
  • Test stock update and low-stock alert processes.
  • Monitor email delivery and adjust thresholds as needed.

Technical Dependencies

  • Google Sheets API for stock data storage and retrieval.
  • SMTP service for sending low-stock email alerts.
  • n8n for workflow automation and orchestration.
  • Optional: Web form or API for dynamic stock updates.

Database & Sheet Structure

  • Stock Inventory Sheet (StockInventory):
    • Columns: item, quantity, threshold, last_updated, unit
    • Example: Cement, 100, 20, 2025-07-29T08:00:00Z, Bags

Customization Possibilities

  • Modify Update Stock Levels node to integrate with a form or API for real-time updates.
  • Adjust Check Low Stock node to set custom thresholds per item.
  • Customize email alert format in Send Email Alert node.
  • Add error-handling nodes for invalid stock updates.
  • Integrate with a dashboard tool for visual stock monitoring.