Quote Originally Posted by 771subliminal View Post
no, but there are some stores that you do. you can walk into petsmart and say petco has it cheaper and petsmart will give you 10% off petcos price. there seems to be a fine line when and where you get to haggle the price and i never have understood it 100%.
That's because large chain stores like Petco and Petsmart have massive purchasing power, and can afford to discount an item here or there. Maybe McD's was a bad example but I think it gets the point across.