Purchase cancelled and not honored

Yesterday i saw the Soundmatch ad popup on Facebook and i thought, since i'm looking for a radio deck, i would go check what they have to offer. I go to the website and filter according to my pocket, and upon doing the search, there are certain radio decks that are advertised as in stock and priced at R0. I then hopped to purchase two items (I have screenshot of everything i did yesterday). I then paid the delivery fee as requested. Today i get a email to say that my purchase has been cancelled.

A lady then called me from ********** 217 and say that they can't give it to me at that price and it was a glitch on the website. I then informed her that if it was a glitch, why was it only on certain items and why was the website then still in operation, which she could not answer. She mentions that they have a disclaimer and that they can't give it to me at that price. (So in the disclaimer they say that "While the Company takes reasonable measures to ensure that the contents of this Website are accurate and complete, the Company makes no representations or warranties, whether express or imp****, as to the quality, timeliness, operation, integrity, availability or functionality of this Website or as to the accuracy, completeness or reliability of any information on this Website.") So if what i ready is correct, they saying that it's their website but they not liable for anything on it? How can you do business like that?

I am part of a company that has traffic going to a website on a daily basis and we need to ensure the information on the website is always up to date, and we do not "take reasonable measures to ensure that the contents of this Website are accurate". It either is correct or it is unavailable to have the problem seen too.

She then says that she will have a more senior person contact me and still nothing.