Hi there, cwooley-altfc-ne.
Thanks for dropping by the Community, I'm happy to show you how to add a category for postage and shipping, Here's how:
- Go to the Sales menu, then select Products and Services.
- Select the dropdown More ▼, then Manage categories.
- Select New category, then enter the name of the category.
Note: If you need a create a sub-category, select Is a sub-category checkbox and the main category. - Select Save.
You can find these steps as well as much more at the following link: Group your products and services into different categories.
If you have any other questions, feel free to post here anytime. thank you and have a nice afternoon.