A perpetual inventory system records changes in inventory in real time. The perpetual inventory system has several advantages over a periodic system for businesses of all sizes.

Companies that use a perpetual system may still conduct an annual physical inventory. In the periodic inventory system, physical counts are used to determine the amount of goods sold.

I put a ready-made inventory management solution in place because I hate reinventing the wheel. Many of the larger, more well-known inventory management systems let you front-load your data entry ...

Inventory management is the practice of planning, directing and controlling inventory so that it contributes to the business' profitability.

There can also be errors in estimation as periodic inventory relies on a physical audit instead of the automated systems prevalent with perpetual inventory management.