hi i hope some one can help ? for joining prime i was given a discount of £10 to use on prime and i went for the £80 gift card that had a £10 discount discount . at first i tried to purchase a chrome laptop £99.99 i put the £10 discount code in first it was accepted ? i used the £80 gift card voucher and with the £10 discount on that deal i worked it out as amazon owed me 1p wrong it said i owed them £9.99 ? i was informed a discount code will be sent ? i looked everywhere NOTHING ? amazon said the codes could take 24hrs before they are sent to my email ? changed my order to a tablet and decided not to use the gift card and pay for the tablet ? put in the £10 for joining prime THIS IS NOW SAYING THIS CODE CANNOT BE APPLIED TO MY PURCHASE ? WERE IT DID WORK BEFORE I TRIED TO USE THE GIFT VOUCHER ?? 4 HRS OF TRYING TO BUY AND NON OF THE CODES WORKING IF YOU CAN HELP THANK YOU ?