Inventory how-to

How to manage inventory for oversized products

Oversized products need the same forecasting and reorder math as any other SKU, but you add constraints around storage space, freight cost, and longer or less frequent shipments from suppliers.

Short answer: Oversized products need the same forecasting and reorder math as any other SKU, but you add constraints around storage space, freight cost, and longer or less frequent shipments from suppliers. The core fix is to set longer lead times and safety days for these items and order in smaller, more frequent quantities if space is tight.

Why oversized items are different

Oversized products often come from suppliers with longer or irregular lead times, since freight shipping and LTL carriers are slower and less predictable than parcel. Storage space is also usually limited, so you cannot just order large quantities to get a better per-unit price without thinking about where the stock will sit.

Set realistic lead times and safety days

Use the actual lead time including freight transit, not just production time. If a supplier takes 10 days to produce an item and another 12 days to ship by freight, your lead time is 22 days, not 10. Add safety days based on how variable that freight has been, not how variable your sales are.

Balance case packs against storage limits

Oversized items often come in case packs of 1 or small minimums because of their size. If a supplier's minimum order quantity is larger than your storage can handle, negotiate a smaller minimum or plan to split shipments. Round suggested order quantities up to the pack size, but check that the resulting quantity physically fits before approving the order.

Account for freight cost in order timing

Because freight shipments often have a cost that does not scale down well for small orders, you may want to batch oversized SKUs together into fewer, larger purchase orders rather than reordering each one the moment it hits its reorder point. This trades a bit of extra safety stock for lower shipping cost per unit.

Step by step

  1. List each oversized SKU and record its real lead time, including freight transit time, not just production time.
  2. Set safety days higher than your normal SKUs if freight timing has been unreliable in the past.
  3. Confirm each supplier's case pack and minimum order quantity, and check it against your actual storage space before ordering.
  4. Group oversized SKUs from the same supplier onto one purchase order when possible, to spread freight cost over more units.
  5. Review on-hand and on-order quantities before approving any order, since a short delay in receiving freight can throw off your numbers.
  6. Track days of stock separately for oversized items so you can see when storage constraints are forcing smaller, more frequent orders.

Worked example

Say you sell a patio bench that sells 2 units a day on average. Your supplier's lead time is 20 days by freight, and you set 7 safety days because freight has been late before. Reorder point = 2 x (20 + 7) = 54 units. If you currently have 18 on hand and 0 on order, and you want 10 days of cover beyond the lead time, order quantity = 2 x (20 + 10) - (18 + 0) = 60 - 18 = 42 units, rounded up to the supplier's case pack if needed.

How SteadyShelf helps

SteadyShelf can forecast demand and generate order-by dates and quantities for oversized SKUs the same way it does for any variant, as long as you enter accurate lead times and safety days per supplier. It does not track warehouse space or bin locations, so you still need to manually confirm that a suggested order quantity fits your storage before approving the purchase order.

$29/month flat, unlimited products and suppliers, 30-day free trial. Run the numbers now with the free reorder point calculator.

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FAQ

Does SteadyShelf account for freight shipping costs when suggesting order quantities?

No. SteadyShelf suggests quantities based on forecasted sales, lead time, safety days, and case pack rounding. It does not calculate landed cost or freight cost, so you need to weigh shipping cost per unit yourself when deciding whether to batch oversized SKUs into one order.

Can SteadyShelf warn me if an order won't fit in my storage space?

No. SteadyShelf does not track warehouse layout, bin locations, or storage capacity. You need to check suggested order quantities against your actual space manually before approving a purchase order, especially for bulky items.

Let SteadyShelf do this math for every SKU

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