The provided content suggests using QuickBooks software as one of the primary tools for invoice creation. While the exact, step-by-step instructions specifically for creating an invoice within the QuickBooks interface are not fully detailed, the text repeatedly references that QuickBooks allows you to: 1. **Select the tool:** Choose QuickBooks software for automated tracking. 2. **Prepare details:** Enter item details, descriptions, and prices upfront. 3. **Use templates:** Access and customize built-in invoice templates (QuickBooks Online: Settings > Custom Form Styles) to adjust fields, add your logo via the header section, and modify colors and fonts. 4. **Enter details:** Use the QuickBooks interface to enter specific items, quantities, and rates. 5. **Calculate:** Utilize QuickBooks tools to calculate and apply taxes automatically and accurately. 6. **Add terms:** Navigate to the terms section in the invoice creation interface to select payment terms (e.g., net 30) and specify late fees. The content also mentions watching YouTube QuickBooks Tutorials for visual walkthroughs on how to create invoices in the software and refers to using the built-in wizard for seamless automation.

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