Takealot add on facebook.

I saw an add on facebook of a tent that cost R2299 on takealot. When i clicked on the lick , and put the item in my basket it shows a price of R2999. 00 I feel that if you advertise something for a price then that is the price that you must pay. It is not as if the item were out of stock. How many people do takealot catch like this because you assume you will pay the price as on the adverti*****t. It is unacceptable for me that they indicate they only have a certain amount and the the adverti*****t runs once a day on facebook. Funny if it runs once a day , that there is stock but not at sale price.