You can utilize the modernized template to hide the products/service column, @ScienceMill. Let me share the steps to achieve this below.
Instead of using your own designed invoice templates, you can select Modern in the Design section to hide the Products/Service column when sending them to your customers. Follow the steps below:
On the other hand, if you need to use your invoice template, then the only workaround possible is to uncheck the box from the template itself. For now, I recommend sending your feedback to our product development team so they can review it and might consider implementing it in the future. Here's how:
Moreover, you'll want to visit this article that outlines how to document your invoice payments to keep correct financial records: Record invoice payments in QuickBooks Online.
Your feedback is highly appreciated as it allows us to improve our program. If you have any additional questions about customizing your invoices, don't hesitate to reach out to me. I'm here to provide further assistance.