खालि बेखौ सोंनाया दि बेनो बिनि गुबै बेसेन नामा, जिनिसनि बेसेनखौ खम खालामनो हागौ, नाथाय आबहावाखौ नायना नोंथाङा एसे दर-दाम खालामजायो।
Simply asking "Is this the best price you can offer?" can often bring the price down, but depending on the situation, you may want to haggle a bit.