Horrible customer service

How horrible is your service, so I get an email that 1 of my items has been canceled and that u credited me, but when I check online I can still add the item to my cart in question ? Hi Harold, Thanks for reaching out to us. We are sorry for this experience. Please note the supplier was late on the delivery of that item. Please confirm if you would like us to do a replacement for you. Yes please its a cover for my son's phone Excellent, Harold. We have created a replacement order for this item. Your replacement order number is ********** 8 You guys must be crazy trying to charge me for something which was originally included in a bigger order