There are many different kinds of store inventory management that you can use depending on the type of business that you run, your industry, and your goals. They can also be used in conjunction with one another. Several of the most common inventory management methods include just-in-time inventory management, ABC inventory analysis, first-in, first-out (FIFO) inventory method, last-in, first-out (LIFO) method, and average cost (AVCO) method.