Wont even look at my case

I am a long time repeat costumer at [URL Removed] .I ordered a R5000 tent on [URL Removed] I was only able to use it new years weekend and found that the Item was not as advertised. Firstly, the tent was not 3m by 3m but 3m by 2.5m and secondly it did not have the electrical inlet as advertised. I then contacted [URL Removed] on Monday the 4th of Jan to log the complaint. The employee told me to make a choice if I want to risk sending the item back and then having to pay full price for a new tent (The one delivered was on special mark down). Once we made our choice this week, I contacted Takealot to return the tent and order a new one. I was however told that I can not send it back anymore as there is a 7 day return policy (That expired about 15 days before I was even able to open the Tent). The tent was not damaged but it was clearly not as advertised. All I was asking for was for Management to take a look at my case in its own Merritt so I have a fare chance to have my Item replaced for one that I can use.