You can edit vendors, categories, and locations by selecting Edit Vendors, Edit Categories, and Edit Locations from the Actions button.

Enter the new vendor name in the field at the top and click on "Add ... as a new vendor."

If available, fill out phone number and email address fields. Confirm by clicking "Add."

The new vendor will be added to the list. You can edit details of the existing vendors by clicking on the field. Confirm changes by clicking on "Save" button.

Enter the new category name in the field at the top and click on "Add ... as a new category."

You can edit details of the existing categories by clicking on the field. Confirm changes by clicking on "Save" button.

Enter the new category name in the field at the top and click on "Add ... as a new category."

You can edit details of the existing categories by clicking on the field. Confirm changes by clicking on "Save" button.