To add product categories in eCommerce:
  1.  Navigate to Fundraising and then to eCommerce
  2. On the left select the link for "Manage Product Categories"
  3. On the next screen you will see a list of existing product categories, and three options for managing them.
  4. To create a new product category, Type in your category name then choose the green button for New Product Category
  5. The category will be added to the list
  6. After you have created these, they will appear as options when you create your product items.