Disgusted

I am so furious i booked a ticket for Friday on this airline, paid for it with my Nedbank card, it took the money, i then got a message tk say problem with the eticket i must call them, which i did only to be told Nedbank cards are blocked my question is if they blocked why dod it take my money, i was then told i need to rebook but not with a Nedbank card, i asked how long before i get my money back and i was told 24 to 48 hours this is totally not acceptable, i will now book on another airline