hag·gle 
/ˈhægəl/ verb
hag·gles; hag·gled; hag·gling /ˈhægəl/ verb [no obj] : to talk or argue with someone especially in order to agree on a price
▪ I dislike having to haggle (with a salesman) over/about the price of a new car. ▪ She is good at haggling.
▪ I dislike having to haggle (with a salesman) over/about the price of a new car. ▪ She is good at haggling.
— hag·gler /ˈhægəlɚ/ noun, plural hag·glers [count]
▪ a skillful haggler
/ˈhægəlɚ/ noun, plural hag·glers [count] ▪ a skillful haggler
