How to create a new product while purchasing

In this guide: Add a product to the catalog without abandoning the purchase you are entering.
Steps
From a new purchase, search for the product by name, UPC/barcode, or SKU.
Confirm it is not already in the catalog.
Select the option to create a new product.
Enter the product name, category, selling price, purchase cost, UPC/barcode, and SKU as applicable.
Choose the correct category type: Itemized or Serialized.
Save the product and return to the purchase.
Select the new product and enter the received quantity or unique serial numbers.
Choose the type carefully
Itemized: Interchangeable stock tracked as a quantity.
Serialized: Individual devices tracked by IMEI or serial number.
Changing a product's type later can be restricted when stock or active serialized records exist.