If you control the whole enterprise, then you definitely know. that there are a large number of different kinds of materials, resources and goods that should be constantly purchased for its normal operation. Only in this case you will have a real opportunity to take a more responsible approach to the development of the enterprise and work as much as possible to ensure that it gives you more profit. This is quite an interesting point, because in this case you can really do business. It is important to think through each step forward, it will open you quite new interesting horizons.