There is no need to cancel unpaid orders you've made. Unpaid orders automatically expire in 4 hours. No payment is needed nor deducted from your member account balance. You will not be billed for unpaid orders. For more information, see Order Expiry.
You can resubmit your order for the item(s) you want again.
If you would like further assistance, you are welcome to contact our Customer Support with LiveChat.