Costco Wholesale is a members-only warehouse selling a huge variety of items. It has a great selection of goods with exceptional customer service, where workers are pretty helpful and go above and beyond. Lines go fast even when crowded, and the store is clean. Most items are very competitively priced and it is a great place for a large family or stocking up. It offers a wide array of products, from bulk groceries to services like a very good hot stone massage.