hi fi corporporation bad and usless service

We bought one of there items on special the sales person then told us take out the extended warrenty then we would be coferd for any and all damages when we took back the item all of a suddin we had to pay to get it fixed so when they called the so called manager she then said the sales person would not say that to me so she basicly called me a lair and got rude with me why would i pay an extended warrenty i ask u then i asked head office number and was told they will say the same thing to me so se did not want to give it to me they are only there to make money so fo not beleve what fhey tell u now i now why people call them hi fi coraption in nelspruit please do not shop there people only why they can sell thing to u if they lie to u