When you own a restaurant, you need to have your oil in bulk. You also need to have your oil in bulk if you have a small take-out store. But it is not common to have bulk cooking oil for your home.
With a large restaurant, you need to make sure you have a safe cooking oil supplier because you need to stock up on oil regularly. All the meals that are prepared in a restaurant are made with different types of oil, so you do not just stock up on cooking oil, but other essential ingredients needed. Each dish is unique in a restaurant. They would invest in a few 1000-liter containers each month. You can find the best organic sunflower oil via https://www.ostro-organics.com/product/sunflower-oil/.
With a small take-out store, you also need a reliable supplier of cooking oil. Similar to a restaurant, the take-out can be quite busy and food must be prepared fresh every day. Most foods are made with cooking oil because they are fried. This would be about 200-liter drums each month, depending on how busy the store is.
You don't normally hear of people buying cooking oil in bulk for their homes. It is a very good idea to buy it in bulk, same with your groceries. Buying in bulk means you get a good amount of the things you need at an affordable price. This saves you a lot of money every month since you don't need to shop every month.
Oil is expensive and becomes more expensive as the year progresses; therefore, the volume is a good investment in your home. You need to eat every day, which means that you have to cook every day and this way you can run out of oil quickly.