bad severs

First of all that the sales people at lewis is all corn artest I have sign a contract for two years and know they telling me its for 3 years and the stuff I have purchase is only 12000 and know I have to pay almost 30 000 and they have got a 6000 that I still owe them but cant proof that I have miss a month I think the managers have ate my money and I would like to go drop off the stuff but first I want all my money back and will not pay a cdent more till they give me money back I will never buy there again