Hey there, tmccary.
Welcome to the QuickBooks Community. Let me share some details about marking the tax type for your inventory items.
At this time, the option to mark your inventory items as Taxable by batch is unavailable. I’d suggest you send feedback to add this option to our product developers for the upcoming product enhancements.
We're continuously working on improving our product and features. This is designed to help improve the experience that a user has while using the program.
You can submit it by clicking on QuickBooks and selecting QuickBooks Feedback. To ensure you're updated with the latest features about the software, so I'm attaching a link to our QuickBooks Blog website: https://community.intuit.com/articles/1749286.
If you have questions about working in QuickBooks, don't hesitate to let me know. I'll be happy to help. Have a good one.