8FF - Amazon FBA Inventory & Review Automation | ⏰ Schedule

Google Sheets Setup:
1. Go to https://console.cloud.google.com and enable Google Sheets API.
2. Create credentials (OAuth 2.0 or Service Account).
3. Share your spreadsheet with the service account email or authorize OAuth.
4. In n8n, go to Credentials > Google Sheets and paste your client ID/secret or Service Account JSON key.
5. Create a Google Sheet with two tabs: 'Inventory' (columns: SKU, ASIN, Title, Current Stock, Threshold, Supplier Lead Time (days), Restock Alert Sent) and 'Orders' (columns: Order ID, Customer Email, Name, ASIN, Purchase Date, Review Request Sent, Review Request Date).