You can create multiple Discounts and Promo Codes based on percentages or dollar amounts. 

Go to Store > Settings > Discounts

  • First you must set up your Discounts. 
    • Discount based on percentages or dollar amounts
  • Next add Promo Codes that use your Discounts. 
    • Enter the promo code name
    • Add the promo code text as it will need to be entered by customers
    • Select the Discount from the dropdown menu
    • Set Dates to restrict the code based on the calendar 
    • Set a Quantity to limit the amount of discounts allowed overall
  • And finally, you apply Promo Codes to Items. 
    • Assign to Items in the Promo Code dialog window or in individual Item listing pages