Open the side bar menu then click on menu/inventory - Click on Products - Click on create new Product Fill in the product information Click on Save at the top to create this product
Open the sidebar menu then click on Settings - Click on Discounts - Click on the Plus icon Fill in the discount information Click on Save to create this discount
Open the sidebar menu then click on menu/inventory - Click on Add-ons - Click on create new add-on Fill in the add-on information including the options Click on Save to create this add-on