Your 3PL invoice arrives as a single number each month. That number is the sum of every SKU you store, but it doesn't tell you which ones are earning their space and which are quietly costing you more than they'll ever return.

Why the Bill Hides the Problem

Storage is billed on space and time — pallet positions or cubic feet, per period. It's not billed by SKU performance, so the invoice looks the same whether your space holds your best seller or a pallet nobody has touched in a year.

The result is that unprofitable SKUs are invisible at the invoice level. You see the total rise, you attribute it to growth, and the pallets that are actually driving it never surface.

A storage invoice tells you what you spent. It never tells you which pallets deserved it.

Finding the Offenders

You need storage cost per SKU set against revenue per SKU. Most 3PLs can provide space consumption by SKU on request, even where it isn't on the standard invoice.

Then calculate, per SKU:

  • Monthly storage cost — space occupied times your rate.
  • Monthly gross margin at genuine current velocity.
  • The ratio between them.

Any SKU where storage cost approaches or exceeds monthly margin is losing money every month it stays. Sellers running this for the first time are usually surprised both by how many SKUs qualify and by which ones.

Sort by space consumed, not by unit count. A thousand small units may occupy less space than fifty bulky ones. Space is what you're billed for, so space is what the analysis has to be built on.

The Bulky Low-Value Trap

The worst offenders are almost always physically large, individually cheap, and slow-moving. Each of those alone is manageable. Together they're corrosive.

A bulky item consumes disproportionate space. A cheap item generates little margin per unit to cover it. A slow item means that space is consumed for a long time. Multiply the three and you get SKUs where a year of storage genuinely exceeds the gross margin the remaining units will ever produce.

Common examples: oversized seasonal décor, furniture, patio goods, packaging, bulky sporting equipment. See packaging suppliers and party and seasonal.

Cutting Them Loose

Once identified, the practical route:

  • Group them into one lot. Clearing eight underperforming SKUs together prices far better than clearing them individually.
  • Sell as one transaction, so it's a single coordinated pickup rather than a rolling disruption to your 3PL.
  • Let the buyer coordinate with your 3PL. Give release authorization and the scheduling, paperwork, and freight are handled between them.
  • Don't consolidate or repack first. Wasted labor — we work from where the goods sit.

The gain isn't only the sale proceeds. It's the recurring monthly cost that stops, permanently. For SKUs where storage was approaching margin, that ongoing saving typically dwarfs whatever the goods realise.

Ready to cut the dead weight? Send a SKU list with quantities, ages, and where it's stored.

FAQ

Frequently asked questions

How do I find which SKUs are costing me in storage?

Ask your 3PL for space consumption by SKU, then compare monthly storage cost against gross margin at current velocity. Any SKU where storage approaches margin is losing money every month it stays.

Which SKUs are usually the worst?

Bulky, low-value, slow-moving items. Large footprint, little margin per unit to cover it, and a long time occupying the space. Seasonal décor, furniture, patio goods, and packaging are typical.

Should I clear them one at a time?

No. Grouping underperforming SKUs into a single lot prices better and means one coordinated pickup rather than repeated disruption to your fulfillment operation.

Do I need to move goods before pickup?

No. Give your 3PL release authorization and we coordinate directly with them from where the goods sit. Consolidating or repacking first is wasted labor.