Incredible Connection is an Incredible CON

I bought a product that went on sale a few days after I bought it, I didn't open it as I was unsure if it was the correct solution. I went in to exchange the product for another which was already on sale From R1899.00 to R1299.00 and they sold it to me for R1799.00 telling me it was a bigger model than advertised - got home and checked the model is that same at the promoted one. I've been ****med out of R500.00