If an item is returned for a refund, any points accumulated in making the original purchase will be deducted from your points balance. If you exchange an item for an item of lesser value, any difference in dollars will be deducted from your points balance. If you exchange an item for an item of equal value, you will not lose or gain any points. If you exchange an item for an item of greater value, the difference in dollars (less taxes and fees) will be added to your points balance.