A lot inventory spreadsheet can be a sensible starting point. It is flexible, familiar, and quick to create. The tradeoff appears when several people must keep current values accurate while also preserving what changed.

Where a spreadsheet works well

A small, stable inventory with one owner may need only item, lot code, quantity, location, status, and date columns. Clear ownership and a disciplined update routine matter more than elaborate formatting.

Where the record starts to strain

Moving inventory often means replacing a location cell. Consumption often means replacing a quantity. Without a separate event log, the current row no longer explains how it reached that state.

What an operational workflow adds

A focused lot system can constrain receiving, movement, use, shipment, status changes, and corrections into repeatable operations while presenting current balances and recorded history together.

Choose the smallest system that preserves the truth you need

Stay with a spreadsheet when it remains current and understandable. Consider software when update ownership, simultaneous work, blocked statuses, expiration attention, or reviewable history have become recurring problems.