Why You're Out of Stock and Overstocked at the Same Time
A full warehouse and short orders in the same week is not bad luck. It is a mix problem, and you can confirm it in an afternoon with a spreadsheet.
Weeks of Cover: The Simplest Inventory Metric You're Probably Using Wrong
Weeks of cover is one of the first metrics anyone learns in inventory planning, and one of the most commonly misused. The calculation is simple. The judgement around it is where most people go wrong.
Safety Stock Explained Without the Textbook Nonsense
Safety stock exists because you're wrong. Your customer won't buy exactly what you forecast. Your supplier won't always deliver exactly when they promised. Production won't always make exactly what was scheduled. Safety stock is inventory you deliberately hold to absorb some of that uncertainty.
