How are refunds calculated when coupons are used? February 15, 2022 13:30 Updated Your refund will be the amount paid after utilising the coupon discount (excluding membership fees and delivery charges). Related articles Which items are not eligible under the 7 days returns policy? What is Challenger's Return policy? What if I cannot access the online returns form? How long is the refund process for my online order? Which DJI products are not eligible for 1-1 exchange/ refund?