The eight mistakes that cause most of the problems
Ordering without a distribution plan. Quantity is a forecast, and a forecast made with no stated use is a guess. The result is surplus that becomes a storage problem or a write-off.
Requesting quotations without a frozen specification. Each supplier interprets the gaps differently, so the quotations are not comparable and the award is arbitrary. Freeze the specification, then request.
Approving artwork verbally. A verbal approval leaves no record of what was agreed and produces a dispute at prepress. Name one approver and require a written sign-off on the exact file.
Treating the production date as the delivery date. Packing, documentation, customs, delivery and internal issue all sit after production. Ask for the on-site date, then add your own internal buffer.
Comparing headline unit costs. Exclusions differ between quotations, so the cheapest number is frequently not the lowest delivered cost. Normalise the columns first.
Not recording goods received in detail. Quantities by size and colour, condition and defects have to be captured at the door. A distribution that starts before inspection removes the evidence that a problem existed.
Leaving leftover stock without an owner. No one decides, so nothing is disposed of, and the same surplus is re-encountered the following year with the same argument.
Letting the artwork change mid-process. A change after production starts is a new specification with a new risk, and it is usually accepted because the change seems small. Set a cutoff, in writing, and treat anything after it as a separate order.