- Open shop in ShopFactory

- Locate the page where the product is contained

- Right click on the Product -> "Item Properties" to open the dialog box

- At the left tree menu, click on DISCOUNTS

- You can add a “Special Discount Message” that will appear in the product section.

- Click on the dropdown button to select one of the “Product discount methods” -> choose “Quantity Discount – By Price”

- Click the + button and define the first range won’t have the discount yet = enter full amount per piece 0 – 10 range @4.50 GBP

- Click the + button again and the 2nd Range: from 10 – 30 @ 2.50GBP

- And so on – see screenshot below:

- Click OK

- Save and preview your shop

- Place a test order for that product and purchase the quantity ranges you set to see the product price changes as you add more product quantity in the basket.

- Save and publish your shop

See sample shop: http://merliza.santu.com/

1st product on the homepage has the quantity discount.