location with plenty of parking. I don't know whether Walgreens will set a standard low price for generic prescriptions, as have Target, Walmart, and others. If they do so, and remain competitive in that way, they'll keep me as a customer forever.
location with lots of parking. If Walgreens doesn't have it, you don't need it. They need to moderate their generic prescription prices, but other than that, I'm at Walgreens nearly every week.
their drive-through prescription windows. Now they need to set low generic prescription prices. And their inkjet cartridge refill prices are fabulous--$10 and $15 each. Yay!