Reserved against jobs
A booked job holds its tyres, so what is on the shelf is what is truly free.
Tyres reserve against the job that needs them, so you never sell the same set twice. When you run low, you know before the customer does.
A booked job holds its tyres, so what is on the shelf is what is truly free.
Set reorder levels and get flagged the moment a size runs short.
Available, allocated, fitted: every tyre has a clear state from delivery to wheel.
You think you have a set, you sell it twice, and one customer waits. Or you run out of a popular size and lose the job.