The $49 workbook is for sale. One-time, not a subscription.
Export a QuickBooks Online Profit and Loss grouped by Customer/Project, or fill the Import sheet. Paste it in. Jobs come back ranked — billed vs labor vs materials — with the ones that look busy and lose money flagged. Excel file is yours after checkout. No Intuit API.
Buy the workbook — $49:
https://www.perjob.app