To celebrate the new year (the real one) JRDuty free are giving away $5 coupons. You can spin a wheel and try for $10.
Min $50 spend.
Obviously this is for dutyfree which means you must be flying overseas (and cleared customs) and Tasmania doesn't count.
Coupons are handed out by staff in duty free shop.
U don't need to fly to shop at JR
Just add GST to the price