1.Do you have any coupons ?2.Can you give me a discount?3.Today all the jewellery is on sale.4.Can you offer a quantity discount?5.Lower the price and I'll consider it.6.I'm sorry.We only sell at fixed prices.7.Is there any bargaining on this price?8.We give 10 percent discount for cash.9.The best I can do is to give you a discount of 15%.10.If you keep bargaining with them, they will reduce the price.