[header] How to control inventory [title] Understand the goals of any inventory control system. [step] An inventory control system should accomplish three key goals. Knowing these goals are helpful in letting you know if your current system is effective, if it can be improved, as well as how it can be improved. 
[substeps] Your system should let you know what is in your inventory at all times. Your system should have a means of detecting and updating changes in your inventory.