Treadstone Associates
Article · 11 min read

What changes when a 3PL takes ecommerce

The building is the same. The unit of work is not — and almost every operational and compliance assumption in a pallet-in, pallet-out contract is attached to the unit of work.

Treadstone Associates · Updated 2026

Key takeaways

  • • The touch count is the whole story. The same goods that leave as a dozen pallet moves leave as many hundreds of picks, packs and labels.
  • • Returns become an operation rather than an exception, and cross-border returns pull customs into a warehouse that never had a customs process.
  • • Parcels carry dangerous goods that pallets declared. Limited quantities are exempt from Parts 3 to 8 only where the packaging and the marking rules are met.
  • • You are now holding thousands of consumers’ names and addresses. That is personal information, with breach reporting obligations attached.
  • • Bill for the work you do. A per-pallet, per-month rate card cannot describe an operation whose cost driver is order lines.

The difference is the unit of work. Pallet 3PL is priced and staffed around pallet positions and pallet moves; ecommerce fulfilment is priced and staffed around orders and order lines. Every downstream difference — labour model, slotting, packing, carrier mix, returns, customer data, billing — follows from that one change, which is why converting a bay is not a scaling exercise.

Start with the arithmetic

Take twelve pallets of a client’s goods. As pallet work, that is twelve receipts and twelve outbound moves — twenty-four touches, roughly, plus paperwork.

Now suppose each pallet holds 190 sellable units and the client’s average order is 1.6 units. The same twelve pallets are 2,280 units, which is 2,280 ÷ 1.6 = 1,425 orders. Each order needs picking, packing, a label and a carrier hand-off. Against twelve outbound moves, that is 1,425 ÷ 12 = roughly 119 times the outbound events for the identical goods.

The second-order effects are where operations break. At a return rate of one order in eight, those 1,425 orders generate about 178 returns, each of which is an inbound receipt, an inspection decision, and either a restock or a disposition. A pallet contract has no equivalent line.

The billing model has to change with the work

A rate card built on storage per pallet per month and a handling charge per pallet cannot describe an operation whose cost is driven by order lines, pick paths and packaging. Price receiving, storage, pick (first line and additional lines), pack, materials, and returns handling separately — then you can see which client is actually profitable, and so can they.

What changes on the floor

Receiving. Pallet work receives against a purchase order in pallet quantities. Ecommerce receives in eaches or inner cases and must capture item-level accuracy, because a receiving error becomes hundreds of wrong shipments rather than one wrong pallet.

Slotting. Velocity matters in a way it did not. The fastest-moving items belong in the shortest walk, and that ordering changes week to week for a consumer catalogue.

Pick method. Single-order picking is simple and slow. Batch and cluster picking cut walking but add a sortation step and a new error mode. The choice is a real engineering decision, not a software setting.

Pack. New cost lines appear that pallet work never had: cartons, void fill, tape, labels, inserts, and the client’s branded packaging held as their inventory.

Carrier mix. One LTL carrier becomes several parcel carriers with different label formats, cut-off times, dimensional rules and service maps. Late-day cut-offs, not truck capacity, become the binding constraint.

Labour shape. Volume becomes spiky in a way pallet work is not, and the peak is seasonal and promotional rather than driven by production schedules.

Dangerous goods arrive without being announced

Pallet clients declare. Consumer catalogues contain aerosols, nail polish, lithium batteries, cleaning products and fragrances, and the marketing team that added them did not tell the warehouse.

The regime that usually applies is the limited quantities exemption. A quantity is a limited quantity where the goods are in means of containment designed, constructed, filled, closed, secured and maintained so that under normal conditions of transport there is no release that could endanger public safety, and each outer means of containment has a gross mass less than or equal to 30 kg with inner quantities within the limit shown in column 6(a) of Schedule 1. Where that is met, Parts 3 to 8 do not apply if each means of containment is legibly and durably marked on one side with the prescribed mark.

The marking rules are specific: the mark is a square on point with black top and bottom portions and each side at least 100 mm long, reducible to not less than 50 mm where the size of the container requires it. Where the goods are inside an overpack, the word “Overpack” in characters at least 12 mm high must be displayed with the mark unless the marks on the inner containers are visible.

The practical control is upstream: an item-level dangerous-goods flag captured at onboarding, and a rule that no new stock-keeping unit is activated until it has been classified.

You are now holding consumer data

A pallet client’s shipping file contains business addresses. An ecommerce client’s file contains thousands of individuals’ names, addresses, telephone numbers and order histories. That is personal information, and the statute applies to information collected, used or disclosed in the course of commercial activities.

Two obligations follow immediately. The purpose test: an organization may collect, use or disclose personal information only for purposes that a reasonable person would consider are appropriate in the circumstances — which means order data used for fulfilment is not automatically available for anything else. And breach reporting: an organization shall report to the Commissioner any breach of security safeguards involving personal information under its control if it is reasonable in the circumstances to believe that the breach creates a real risk of significant harm to an individual, and must notify affected individuals on the same standard.

Put it in the contract. Who owns the data, what the 3PL may do with it, what happens on termination, how long it is retained, and who notifies whom on a breach. Treadstone’s sister law firm covers the transaction-side questions in its material on buying or selling a warehousing or 3PL business.

Cross-border, and the customs process you did not have

Ecommerce brings the border into the building in two ways: inbound replenishment in small, frequent shipments, and returns that have to go back.

On the inbound side, courier-carried goods move under a streamlined regime: the Courier Low Value Shipment Program streamlines reporting, release and accounting procedures for qualifying goods imported by an authorized courier, on the condition that the shipment has an estimated value for duty not exceeding CAD $3,300 and does not contain prohibited, controlled or regulated goods. Anything above that threshold is a high-value shipment with the fuller process attached.

On the highway side, timing is the trap for a warehouse used to scheduling its own dock. Conveyance and cargo information must be received and validated by the CBSA within 30 days and no later than one hour before arrival at the first point of arrival, and properly formatted messages received less than one hour before the estimated time of arrival will be accepted but the client will be warned of insufficient review time, and penalties may apply.

None of this is the 3PL’s obligation by default — but the client will assume the warehouse knows, and the appointment you booked at 07:00 depends on it.

A worked example

A Mississauga 3PL with 34 pallet clients signs its first ecommerce account: a home-goods brand shipping direct to consumers across Canada.

Week one it models the work rather than the space. Twelve pallets of stock at 190 units each is 2,280 units; at an average order of 1.6 units, that is 1,425 orders, or roughly 119 outbound events for every one the pallet contract would have produced. It prices receiving, storage, pick first line, pick additional line, pack, materials and returns separately, because a per-pallet rate would have made the account look profitable while it lost money on labour.

Week two it screens the catalogue. Fourteen stock-keeping units are dangerous goods — aerosol cleaners and a fragrance line. They are packaged within the limited quantity limits, so the outer cartons carry the square-on-point mark and Parts 3 to 8 do not apply, but somebody now owns that determination and re-checks it whenever the client adds a product.

Week three it builds the returns lane before it needs one: at one return in eight, 1,425 orders means about 178 inbound units a cycle, each needing an inspection decision. Week four it signs a data schedule covering ownership, permitted use, retention and breach notification, because the client’s order file is now consumer personal information sitting on the 3PL’s systems.

Where AI genuinely helps

The gains are in the paperwork and the forecasting inputs, not on the pick face. Reading client purchase orders and advance shipping notices into the warehouse system without rekeying. Classifying new stock-keeping units against a dangerous-goods checklist and flagging the ones that need a human determination. Reconciling parcel carrier invoices against shipped weights and dimensions to find billing differences nobody has time to audit. Turning order history into a labour forecast so shifts are scheduled against expected volume rather than last week’s.

What it does not do is decide. Whether an item is a dangerous good, whether a return is restockable, what to charge a client and whether a shipment can lawfully cross the border are judgements a person makes and signs.

Common questions

Can we run ecommerce in the same building as pallet work?

Usually yes, in a separated zone with its own layout, labour and cut-off discipline. What does not work is running it on the pallet operation’s processes and rate card.

What should the rate card look like?

Split by activity: receiving, storage, pick first line, pick additional lines, pack, materials, special projects and returns handling. That is the only structure that tells you and the client where the cost actually sits.

Do we need a dangerous goods process for parcels?

You need a classification process. Limited quantities are exempt from Parts 3 to 8 where each means of containment is legibly and durably marked with the prescribed mark — but the exemption depends on packaging and marking being right, and somebody has to determine that for each product.

Who is responsible for the customer data?

Contractually, whatever the data schedule says. Statutorily, an organization must report a breach of security safeguards to the Commissioner where it is reasonable to believe the breach creates a real risk of significant harm to an individual — so both parties need to know who does what, in advance.

Stop losing hours to paperwork you already have the data for.

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