Costco is a wholesale business. It is a great place to shop for a large family, or a business. This Costco is located just off the 101 freeway and McDowell Rd. There is a very small yearly fee to join this store, but it is well worth it. Most food items are sold in bulk, so you get a lot at one time. They carry appliances, electronics, clothing, automotive supplies, food, periodically furniture, and lots more. Everytime I go into the store, I find something else new. There is also a great snack area, where you can get a hot dog and soda for under $2. There is a pharmacy, and an optical area available as well. Lines do get long on the weekends, but if you get there early enough, you can beat the crowds and check out quickly. The best time to shop is during the week. They stay open until 8:30 at night.