Immediate answer: A useful 3PL cost comparison starts by separating warehouse work from carrier postage. Model receiving, storage, pick-and-pack labor, packaging, recurring account or technology fees, returns and special projects. Then add shipping using the same parcel assumptions for each provider.
The six buckets to normalize
| Cost bucket | What drives it | What to ask |
|---|---|---|
| Receiving | How inventory arrives | Per pallet, carton, unit or labor hour? |
| Storage | Space and time | Pallet, bin, shelf, cubic foot? Any aging tiers? |
| Pick + pack | Orders and units | First item, additional item, order minimums? |
| Packaging | Materials and presentation | Included, pass-through or marked up? |
| Shipping | Weight, dimensions, zones, service | How are carrier rates passed through? |
| Special work | Kitting, returns, relabeling, projects | Per task, unit or labor hour? |
Compare the invoice you expect—not the line item that looks cheapest
A low pick fee can be outweighed by storage, packaging, minimums or recurring account charges. A higher visible fee can sometimes be easier to forecast if the rate card is clearer. Build a sample month using the same order count, items per order, pallet footprint and special-work assumptions for every quote.
Why inventory velocity changes the economics
Slow-moving inventory consumes space without producing many fulfillment events. For a growing brand, that can make storage a bigger share of the warehouse economics than expected. This is one reason we ask both monthly orders and pallet footprint during qualification.
Use our calculator as a comparison sheet
When you have multiple proposals, normalize them with the same assumptions using our 3PL quote-comparison framework.
Our 3PL cost calculator does not guess market prices. Enter the numbers from a quote so you can compare providers on the same monthly assumptions.
Frequently asked questions
What is normally included in a 3PL quote?
Most quotes break out receiving, storage, pick and pack, packaging, shipping and special work in some form. The exact structure varies by provider.
Should I compare 3PLs by pick-and-pack price?
No. Compare the projected monthly invoice under the same operating assumptions, then examine service and fit alongside price.
Does storage matter if my order volume is high?
Yes. Inventory footprint and days on hand can materially change warehouse economics even when order volume is strong.
See whether your fulfillment profile fits the providers we work with.
The assessment focuses on the operating facts that matter: order volume, storage footprint, SKU count, product handling, channels and timing.