一般情況下在美國商店里買東西是沒有討價還價的。但很多情況下是可以的。比如美國人的garage sale，大街上的交易或跳蚤市場里的交易。 特別是有當你買大東西的時候，比如房子、車子時一定要記得和對方講講價。不然你就虧大了。
　　下面列舉的是議價時可能用到的句子：
　　How much is this?
　　How much will that be?
　　How much are these altogether?
　　I think this is too expensive.
　　That's little too much for me. Could you make it less for me?
　　I can't afford it. This is too much.
　　This is not a reasonable price.
　　I don't have this much cash on me. Will you make it little cheap?
　　What's the regular price? Do I get discount on this?
　　Tell me what's the best price you can do for me?
　　If I pay you cash, will you give me some discount?
　　I'd buy this if you can make it a little less expensive.
　　I'd buy it if you reduce the price a little.
　　May I have a discount on this?
　　Will you give me a discount?
　　Can I have a discount?
　　Would you give me a discount if I buy three of these?
　　I've come all the way from China; please give me a better price.