The point is that you must calculate volume savings, but you must also measure savings these other costs of large quantities. When you add it all up, they will reduce expected savings on volume production. Ignoring this is a mistake amateur planners often make. Use just in time delivery and inventory control. If you plan your product by product or date with care and accuracy, you can enjoy added savings.
Thoughtful plans replace cash and expense.
This amazingly reduces the high cost of storage and productions well as tying up money in materials inventory. The key here is to work closely with a good supplier who can deliver proper amounts at precisely scheduled times. Suppliers too are watching their inventory. Quality control is a vital part of production planning. First, have detailed and accurate knowledge of product specifications.