Not honoring price advertised

On Thursday, 26 November 2015 I purchased a Dell Venue 8inch tablet 32 GB for R999 on [URL Removed] website. I paid cash, via debit card for the device. At the time of purchase the item showed as in stock. I even followed up the purchase with a phone call to ensure that the payment reached takealot. Later in that day I checked the site again and the link from my purchase to the device showed an increased price to R2999. On Monday 30 November I received an e-mail from [URL Removed] saying that the device is out of stock, but the device is still being advertised on the site as in stock at R2599. To make things worse Takealot just credited my takealot account with R999 instead of consulting me on whether I would like the funds paid back into my account or a credit. I am furious, because at any other retailer the advertised price needs to be honoured. What infuriated me more is the fact that I paid for the device and after 2 working days Takelot just decides to say it is out of stock in order to get out of supplying the device. please see link [URL Removed] that reflects item in stock! I want Takealot to honor my purchase!