Thank you for coming to the Community, @pretzelvendortx1! Tracking mileage is a great feature for small businesses, and I'm happy to give you some information to get started. Feel free to take a look at this article for step by step instructions: Automatically track mileage in QuickBooks Online. I noticed the links in Step 2 were broken, so I've included the steps below for getting that feature turned on.To turn on the mileage tracker in QuickBooks Mobile app:

1. Tap Miles.
2. Click Auto-tracking.
3. Toggle Auto-tracking on.

The following article may also be useful if you run into any trouble. It includes more information on how to adjust your settings if tracking isn't working the way you expect: Fix mileage tracking issues in the QuickBooks Online mobile appYou can also track trips manually from within your QuickBooks Online account:

1. Sign in to QuickBooks Online in a web browser.
2. Go to the Mileage or Trips on the left menu.
3. Select Add Trip.
4. Add the trip date, starting and ending locations, distance, and the purpose.
5. Select Save.

I am eager to help you with any other questions about mileage tracking, so please don't hesitate to reach back out here to me if needed.