I worked for walmart here in canada for over 2 years and I was good friends with some of my managers, I know store policy and that is when I usually complain, when they are not following their own rules, Customer service is supposed to be very important to them. not that you can please everyone all the time, but there should have been some effort to help you no matter if you spent $2 or $200 (though the head manager didn't care about the shoppers, only the $$ thought that the customer was expendable, there would be someone behind you if you were not there. ) but would hand over the store to not have a complaint registered, I even complained about my old store, they were not happy with me at all, (it was after I quit)