Just installed auto coupon to look at it for a discoutn on say next order for a year membership my site is in uk pounds let in the drop down in auto coupon is shows things in $ dollars?
$ sign in this context just mean absolute discount. Customer get discount in currency of your product eg.: price of your product is 100 pounds and you specify absolute discount for 33 in coupon settings then customer will pay 67 pounds if use this coupon code.