1. Navigate to the Inventory  > Product > Product

2. Select the relevant product

3.Click on Extra Prices

4. Click on New to add the price rule

5. Add the price rule by filling the following details:

• ​Pricelist
• Applied On - Select the product
• Product Variant - Leave product variant empty if you do not want the price rule set upon a particular variant. If you need the price rule for a particular variant, select the variant.
• Min Quantity - Type the minimum quantity so that the price rule will come into effect when more products than the min quantity are selected
• Price - Type the Special Price
• Start Date - Type the Start Date (Only relevant if a promotion is in place)
• End Date - Enter the End Date (Only relevant if a promotion is in place)
  

6. Click on Save

You can also watch this video for reference: https://waoconnect.screencasthost.com/watch/c0enIFVyL0W