Walgreens is a well-known pharmacy chain with locations across the nation. The South Gate location features a drive-up pharmacy as well as a standard pharmacy inside. This store also offers one-hour photo and do-it-yourself photo printing stations. Walgreens also sells household items, such as cleaning supplies, over-the-counter medicine, batteries, greeting cards, pet food and snacks. Walgreens also offers flu shots and other programs that include automatic refills of prescriptions and express refills.