Tier pricing is a promotional tool that allows a store owner to offer special prices when customers buy larger amounts of a particular product. You can apply this as an incentive to buyers and drive more sales.
- Go to Catalog > Products > Manage Products.

- Select Edit for the product you wish to add a tier price.

- On the Product Variants tab, select Add a new product variant.

- On the Tier Prices tab, select Add new record.
- From the Customer role dropdown list, select the customer role based on which the tier price will be defined, ex. all customers, registered, guests.

- In the Quantity and Price fields, define the price applicable to a certain quantity of the product.
- Click Update. The Tier Prices tab is updated with the new data.

- Click Save on the Edit product details page.