It might seem at first glance that the most expensive items in your inventory should receive the most attention. But in reality, less expensive items with higher turnover ratios have a greater effect on your business than more costly items. If you focus only on the high-dollar-value items, you run the risk of running out of the lower-priced products that contribute more to your bottom line.

Excerpted from Start Your Own Business: The Only Start-Up Guide You'll Ever Need