What is the difference between a warehouse store and a grocery store? Both tend to sell domestic goods and food, and many goods are at roughly the same price in both types of store. The real difference rests in the specialty of the grocery store and the bulk costs in the warehouse store. Warehouse stores offer huge quantities of most products and if there is one thing that you should know is that buying in bulk gives you a better price overall than buying smaller amounts. The benefit of a grocery store is that they specialize in certain services that will not be offered at a warehouse store, such as cake making, meat cutting, sandwich making, and various other useful services.
Warehouse stores are called warehouses because they are giant storage facilities that store huge quantities of goods to sell. It is the practice of eliminating the middle man and selling large quantities of goods directly to consumers that often allows them to sell goods at significantly lower prices. Stores such as Costco will often sell huge containers of goods over smaller individual products in order to offer lower prices. Sometimes it is impractical to buy food from a warehouse store due to the sheer bulk but the savings are always good.
Grocery stores are not exclusively worse than warehouse stores and you should not discount them when considering where to buy food. In terms of individual unit cost, grocery stores tend to be competitive with warehouse stores. They also offer many services that require specialists that a warehouse store will simply not offer. These services include meat delis that will cut meat to the weight and size of your choosing, allowing you get better cuts of meat precisely to the specifications you need. Grocery stores will also perform the services of a bakery and will be able to make custom cakes and pastries for you as long as you request them ahead of time.
It is less about one being better than the other, and more about the different services that warehouse stores and grocery stores offer. Each is good to visit for different reasons and both have a very valid market to cater to. It is often better to buy dry goods in large quantities for example, as they lend themselves better to storage and tend to retain flavor and quality for long periods of time. For more perishable goods, it may be better to just get them at a grocery store as you can only handle so much of a perishable fruit or meat at a time and buying in bulk will lead to a lot of waste and loss.