Problem with online purchasing

I purchased nappies online on black friday. I followed all the prompts, entered my card details and i received a Collection Notice with a order number. I arrive at the allocated store, to get told they don't have my order, they call headoffice and i then get asked for proof of payment? (ITS NOT A EFT.... I ENTERED MY CARD DETAILS) I try call ***and 0 ********** 99 and i can not get through. I have emailed many times with no reply. I have rep**** on your surveys and I have sent messages via twitter and facebook with ALSO NO HELP!!!! My next move will probably smoke signals! This is absolutely ridiculous, this is the first time i have ever purchased anything through Makro Online, and it will be my last. Your customer service department is non-existent. Your customers are getting more and more frustrated by not being able to get through.