The only reason I'm not giving this review one star is because at least the location is convenient and their top tier gas at a low price is usually unbeatable.
Navigating this parking lot will require you to keep your foot on the brake at all times and turning your head every direction like an owl! PLEASE Costco, open another location for the Sun City and Surprise folks to flock to! There is just never a convenient time to shop here since checkout lines are always super long, parking lots full of the west valley's worst drivers, and motionless shopping carts block the aisles. I try very hard to limit my trips here due to the risks I take in this parking lot as well as the time it takes to get in and out with what I need.