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Field notes · 2026-04-02

Inventory aging without a single fake average

Pallet jack moving goods between warehouse racking aisles

Days-of-cover is a planning number. On the floor, aging is a location story: which pallets have sat in reserve past the last cycle count, and which pick faces were refilled from a different lot than the board assumed.

We draw aging as three location bands—receiving hold, reserve, pick—rather than one site-wide bar. A supervisor can then send a counter to the band that is actually old, instead of running a full physical because a chart turned red.

Lot codes and pack sizes belong on the board only when the site already writes them on the pallet label. Inventing a lot column for a site that does not capture lots creates a second set of fiction.

If a family is seasonal, we mark the season window on the column header. That prevents last year’s garden chemicals from looking like a current stockout risk in March.