Logistics Fundamentals for 2026

Lesson 1

How goods move through a 2026 operation

Who this course is for

Receiving, inventory, picking, packing, dispatch and returns staff, and the supervisors who check their work. Each module takes about 45 minutes, split into lessons of 5 to 10 minutes, and ends with a quiz.

What you'll learn

• Name the six steps of the inbound-to-outbound flow: receive, put away, store, pick, pack, dispatch, and handle returns.
• Explain which step each record (receipt, putaway, pick, shipment, return) updates in the warehouse system.
• Say why one error at an early step shows up later as a shortage or a late order.

Lesson 1.1: The flow

Every order follows the same path, whatever the software or building. Goods arrive at the dock (receiving), are checked and recorded, and are moved to a storage location (putaway). They stay there until an order calls for them. A worker collects the items (picking), protects and labels them (packing), and loads them onto a carrier (dispatch). Goods that come back go through returns, and the process starts again.

The warehouse management system (WMS) records each step. It tracks where each item is, how many there are, and whether a step is complete. The system is only as accurate as the scans and counts that feed it.

Lesson 1.2: Why early errors become late problems

An error made at receiving does not stay there. If a short delivery is recorded as complete, the system shows stock that is not on the shelf. A picker then walks to an empty location, the order is late, and someone adjusts the count. Nobody finds the original cause unless they trace it back.

Industry guidance makes the same point. One 2026 article says errors spread through the business when goods are put away before counts are verified [Source 31]. Another says shortages recur when people adjust the system without finding the cause [Source 33].

Worked example

A carton of 24 units is received with a label that says 24. The team counts 22 and puts the carton away at 24 because the label matched. Three days later, a customer order for 24 is picked. The picker finds 22 and short-picks. The late order is blamed on picking, but the cause was a receiving count that was skipped.

Key terms

• WMS: software that tracks stock locations and enforces process steps.
• Putaway: moving received goods to a storage location and recording it.
• Dispatch: releasing finished orders to a carrier with the correct paperwork.
• Returns: goods sent back by customers, which must be inspected and recorded before resale.

Practice

Write the six steps in order from memory, then check them against Lesson 1.1. For each step, write the one record it updates.

Job aid: the flow on one line

Receive and count → put away → store → pick → pack → dispatch → returns. Verify before you move on.

Check what you learned

1. Which step comes directly after receiving?
   • Dispatch
   • Putaway
   • Picking
   • Returns
2. A short delivery is recorded as complete. Which later problem is most likely?
   • Faster dispatch
   • The system shows stock that is not on the shelf
   • Lower freight cost
   • Fewer customer contacts
3. Why should putaway wait until a count is verified?
   • To save time on the dock
   • So an error is caught before it spreads through the system
   • Because the carrier requires it
   • To avoid paperwork

Lesson 2

Receiving and inventory accuracy

What you'll learn

• Carry out a receiving check that compares the delivery against the purchase order and the packing slip.
• Explain the difference between receiving accuracy and dock-to-stock time, and why both matter.
• Run a cycle count and decide which items to count more often, using ABC classes.
• Find the cause of a stock discrepancy before adjusting the system.

Lesson 2.1: The receiving check

At receiving, compare three things: the purchase order (what was ordered), the packing slip (what the supplier says was sent), and the physical goods (what arrived). Check the count, the item code, the condition, and the labels. If something does not match, record the difference before the carton moves.

Two measures help you track receiving. Receiving accuracy is the share of receipts entered without error. Dock-to-stock time is how long goods take to move from the dock to a usable shelf location. A fast dock with poor accuracy only moves errors faster.

Lesson 2.2: Cycle counts and ABC classes

A cycle count is a small, frequent count of part of the stock, instead of one full count a year. Items are often grouped into ABC classes by value or movement. A items are the highest value and are counted most often. B and C items are counted less often. Your site's count frequency is set by your supervisor and the WMS, so follow it and do not change it on your own.

Lesson 2.3: Find the cause before you adjust

A count that does not match the system is a discrepancy. The fast fix is to change the number in the system. The better step is to ask why the number was wrong. Common causes are a receipt keyed to the wrong item, a putaway to the wrong location, a pick that was not confirmed, or a damaged item that was never recorded.

A 2026 guide makes a further point: when item or pack data is wrong, counting harder only finds the variance, and the data error keeps creating new ones [Source 34]. Your job is to report the pattern, not only fix the count.

Worked example

A cycle count of an A item shows 40 units in the system and 34 on the shelf. Before adjusting, you check the last five receipts and find one receipt for 6 units keyed as a different item code. You report the receipt error, correct the receipt with a supervisor's approval, and only then adjust the balance that is left. The record shows the cause, not just the change.

Key terms

• Cycle count: a frequent, partial count of stock.
• ABC class: grouping of items by value or movement; A items are counted most often.
• Receiving accuracy: share of receipts entered without error.
• Dock-to-stock time: time from the dock to a usable storage location.

Practice

Take one carton from a recent receipt on your site. Compare the purchase order, the packing slip and the physical count, and write down any mismatch. Then write the one thing you would check first if the system count did not match the shelf.

Job aid: before any adjustment

• Recount the item.
• Check the last receipt and putaway.
• Check open picks.
• Record the cause.
• Adjust with approval.

Check what you learned

1. Which three documents or sources does the receiving check compare?
   • Invoice, bank record, and carrier invoice
   • Purchase order, packing slip, and the physical goods
   • Pick list, label, and dispatch note
   • Return authorization, sales order, and price list
2. Which items should be counted most often in a cycle count?
   • C items
   • B items
   • A items
   • Items with the longest names
3. A count does not match the system. What should you do first?
   • Adjust the system to match the shelf
   • Look for the cause, such as a wrong receipt or putaway
   • Recount the whole warehouse
   • Wait for the next annual count

Lesson 3

Picking, packing and returns

What you'll learn

• Define a mispick and list the three kinds of picking error: wrong item, wrong quantity, wrong location.
• Describe the common causes of picking errors, including layout, manual process, and training gaps.
• Process a return by inspecting, recording and deciding its disposition.
• Follow the safety steps that prevent injuries during picking and packing.

Lesson 3.1: What a mispick is

A mispick is any pick that does not match the order. It has three forms: the wrong item, the wrong quantity, or an item from the wrong location. A pick can be wrong in one of these ways and still look right on the cart. Confirming each pick by scan or by check digit is how you catch these early.

Lesson 3.2: Causes, not blame

When picking errors rise, the first reaction is often to blame the pickers. Industry guidance says layout, manual processes and training gaps often cause errors [Source 32]. A bin label that looks like the next bin, or a pick list that sorts items badly, will produce errors for any picker. If you see a repeated error, report the location or the process, not only the person.

Lesson 3.3: Returns

Returns are a growing share of the work and a large cost. DHL reported in January 2026 that 79% of online shoppers abandon a purchase when the return policy falls short, and that wrong sizing and poor quality drive many returns [Source 13]. On the floor, a return should be:

• Received and matched to the return authorization.
• Inspected for condition, completeness and tampering.
• Recorded with a reason code.
• Given a disposition: restock, refurbish, liquidate, or destroy, as your site procedure allows.

Goods that are not inspected and recorded can go back on the shelf in the wrong condition, or can be lost from the count.

Lesson 3.4: Safety while picking and packing

Untrained staff face more injuries and errors, so safety training is part of the job, not an extra [Source 38]. Lift from the legs, use the equipment provided, keep aisles clear, and report a damaged rack or pallet the same shift. Never climb racking to reach a pick.

Worked example

A picker reports that the same SKU is often picked from the wrong bin. You check the bin labels and find two labels with similar numbers next to each other. You report the label problem with the bin numbers, and the supervisor corrects the labels. The error rate falls, and the picker was never the cause.

Key terms

• Mispick: any pick that does not match the order: wrong item, quantity or location.
• WISMO: "Where is my order?" contacts from customers, which often follow late or wrong orders.
• Disposition: the decision on what happens to a returned item.
• Reason code: a standard code that records why an item was returned or failed.

Practice

Choose one pick task from your site. List three things that could cause a wrong pick at that location, and for each, write what you would report and to whom.

Job aid: return in four checks

Match the authorization. Inspect the item. Record the reason code. Apply the disposition your site allows.

Check what you learned

1. Which is NOT one of the three forms of a mispick?
   • Wrong item
   • Wrong quantity
   • Wrong location
   • Wrong carrier
2. A returned item looks undamaged. What is the correct first step?
   • Restock it immediately
   • Match it to the return authorization, then inspect it
   • Throw it away
   • Sell it at a discount without a record
3. Repeated picking errors happen at one location. What is the best first response?
   • Blame the picker
   • Check the layout and bin labels, and report the cause
   • Stop all picking
   • Ignore it because the error rate is low

Lesson 4

Shipping, last-mile cost and customer contacts

What you'll learn

• Explain landed cost and list the cost parts beyond the factory price.
• Describe how errors at dispatch drive customer contacts and cost.
• Explain why chronic overtime is a warning sign, not a fix.
• Prepare a shipment with the correct documents for the carrier.

Lesson 4.1: Landed cost

Landed cost is the full price of getting goods to the customer or to the shelf. It includes the price paid, freight, insurance, duties, fees and delivery. Using the factory price alone understates what an item really costs [Source 24]. A cheap product with high freight and fees can cost more than a dearer one.

Lesson 4.2: Last-mile cost and WISMO

A 2026 survey of US operators found median last-mile costs up 12% for a second year, and 88% said delivery cost grows as fast as revenue or faster [Source 16]. The same survey found that operators with a high share of "where is my order?" (WISMO) contacts saw more cost inflation: those above 30% contacts saw 17.2% cost inflation, and those at 5% or below saw 7.3% [Source 16]. Each WISMO contact is a sign that the order record, dispatch timing or tracking data was unclear.

These are survey figures from one source. Treat them as a direction, not an exact number for your site.

Lesson 4.3: Overtime and peak season

Peak season is when labor gaps show up. Peerless's 2025 warehouse survey, cited in 2026, reported temporary labor rising to 16.6% of the workforce from 11.4% a year earlier [Source 8]. Covering gaps with chronic overtime adds fatigue and raises turnover [Source 36]. If your site runs long shifts for weeks, raise it with your supervisor as a process risk.

Lesson 4.4: Documents before dispatch

Before any shipment leaves, check that the order is complete and the labels match the carrier, the address, and the weight. For international shipments, check the commercial invoice and the product codes on it. Choosing the lowest freight rate without checking the documents or the network can cost more later [Source 35].

Worked example

A supplier invoice shows a unit price that looks low. The buyer compares the landed cost: freight, duties and fees add 38% to the price. A different supplier with a higher unit price but local stock has a lower landed cost. The team chooses on landed cost, not the invoice price.

Key terms

• Landed cost: price plus freight, insurance, duties, fees and delivery.
• WISMO: a "where is my order?" customer contact.
• Dispatch: release of a complete, correctly labeled shipment to a carrier.

Practice

Take one recent supplier invoice or shipment. List every cost on top of the unit price, and estimate what share of the total each adds. Write one sentence on what you would check to reduce WISMO contacts for that route.

Job aid: before you release a shipment

• Order complete?
• Labels match the carrier and address?
• Weight and count checked?
• Invoice and product codes correct for international shipments?

Check what you learned

1. Which of these is part of landed cost?
   • Factory price only
   • Freight, duties and fees on top of the price
   • The sales margin only
   • The carrier's logo
2. What does a high share of WISMO contacts most often point to?
   • Good tracking and clear order records
   • Unclear order records, dispatch timing or tracking data
   • Low customer interest
   • Excess stock
3. Why is chronic overtime a warning sign?
   • It always lowers cost
   • It adds fatigue and turnover, and hides a labor gap
   • It means the site has too much stock
   • It is required by law in every country

Lesson 5

Trade rules, tariffs and the data you record

Check current rates before you rely on them

The tariff rules in this module are a snapshot from late October 2026, and they changed several times this year. Check any rate or date against U.S. Customs and Border Protection (CBP) and the Harmonized Tariff Schedule (HTS) before you use it. The principles do not change; the rates do.

What you'll learn

• Explain what an HS or HTS code does and why accuracy matters.
• Explain who is legally responsible for an entry (the importer of record).
• Explain why a transshipment does not change a product's origin.
• Explain why the shipment records you keep feed sustainability reporting.

Lesson 5.1: Classification codes

Every product has a Harmonized System (HS) code, and the US uses an extended version, the HTS. The code sets the duty rate and any controls that apply. A supplier's code is not a guarantee. Check it against the product description and the official schedule.

Lesson 5.2: Who is responsible

The importer of record is the party legally responsible for the accuracy of the entry, including the classification and the value. Trusting a supplier's tariff code does not move that responsibility to the supplier [Source 24]. Your site may act for the importer, so know who the importer of record is for each shipment.

Lesson 5.3: Origin and exclusions

Rules of origin set where goods are considered to be made. Routing goods through another country does not change their origin [Source 22]. A tariff exclusion usually applies to specific products, so a similar product does not automatically qualify [Source 22].

Lesson 5.4: Tariff changes you may see

In 2026, the US Supreme Court ruled IEEPA tariffs unlawful on February 20, and CBP stopped collecting them on February 24 [Source 19]. A 10% Section 122 surcharge applied and expired on July 24, 2026 [Source 20]. A Section 301 action covers 60 economies at 10% or 12.5% [Source 22]. Canada's situation changed in August and September 2026 [Source 20]. These are the changes as reported by the sources in October 2026. Confirm each one with CBP before relying on it.

Lesson 5.5: Sustainability data starts on the floor

The EU's Omnibus I simplification took effect on March 18, 2026 [Source 26]. Under the revised CSRD, companies with more than 1,000 employees and over €450 million turnover are in scope [Source 27]. Reporting companies collect emissions data from suppliers, and weights, origin and shipment records feed those figures. Customers and lenders are already asking for it [Source 26]. Your accurate records are part of that chain.

Worked example

A shipment is labeled as made in Country A, but the goods were routed through Country B for consolidation. The team asks whether the origin changed. It did not. The origin is set by where the goods were made, and the routing does not change it. The importer of record still needs the correct origin on the entry.

Key terms

• HS / HTS code: product classification that sets duty and controls.
• Importer of record: the party legally responsible for entry accuracy.
• Rules of origin: criteria for where goods are made. Routing does not change origin.
• Landed cost: price plus freight, insurance, duties, fees and delivery.

Practice

Pick three products your site handles. For each, write where its HTS code is recorded, who the importer of record is, and which record a floor worker would need to correct if the weight or origin were wrong.

Job aid: before you ship internationally

• Confirm the HTS code against the description.
• Confirm the importer of record.
• Confirm the origin.
• Check the tariff rate on the current CBP or HTS source, not an old note.

Check what you learned

1. What does an HTS code mainly determine?
   • The product colour
   • The duty rate and any controls that apply
   • The warehouse shelf location
   • The carrier's rating
2. A supplier provides a tariff code. Who is legally responsible for the entry's accuracy?
   • The supplier, always
   • The importer of record
   • The carrier
   • No one
3. Goods are routed through a third country before reaching the US. Does the origin change?
   • Yes, always
   • No, routing does not change origin
   • Only if the goods are repacked
   • Only if the carrier changes

Lesson 6

Final check

Ten questions from all five modules

Answer all ten, then check your answers. Many workplaces start with a pass mark of 80% (8 of 10). If you miss one, go back to the module named in the question.

Check what you learned

1. What is the step directly before putaway? (Module 1)
   • Dispatch
   • Receiving
   • Returns
   • Packing
2. What is the first thing to do when a count does not match the system? (Module 2)
   • Adjust the system
   • Find the cause
   • Recount the whole site
   • Ignore it
3. Which items are counted most often in a cycle count? (Module 2)
   • A items
   • B items
   • C items
   • All items equally
4. Which is a mispick? (Module 3)
   • Picking the right item in the wrong quantity
   • Packing a label straight
   • Confirming a scan
   • Clearing an aisle
5. What is the best first response to repeated picking errors at one location? (Module 3)
   • Blame the picker
   • Check layout and bin labels and report the cause
   • Stop picking
   • Wait
6. What is landed cost? (Module 4)
   • Factory price only
   • Price plus freight, duties, fees and delivery
   • Sales price
   • Carrier rate only
7. Why does a high WISMO share matter? (Module 4)
   • It shows high customer interest
   • It often points to unclear order or tracking data, which adds cost
   • It lowers freight cost
   • It is required by carriers
8. Who is the importer of record? (Module 5)
   • The carrier
   • The party legally responsible for the entry's accuracy
   • The supplier, always
   • The customer
9. Does routing goods through another country change their origin? (Module 5)
   • Yes
   • No
   • Only with repacking
   • Only with a new carrier
10. Why does accurate shipment data matter beyond the warehouse? (Module 5)
    • It does not
    • Weights, origin and shipment records feed sustainability reporting
    • It only affects marketing
    • It only affects payroll

Lesson 7

Glossary and sources

Glossary

• ABC class: grouping by value or movement; A items counted most often.
• AMR: autonomous mobile robot that travels the floor.
• AS/RS: automated storage and retrieval system.
• Cycle count: frequent, partial stock count.
• Dock-to-stock time: time from the dock to a usable location.
• HS / HTS code: product classification that sets duty and controls.
• Importer of record: party legally responsible for the entry.
• Landed cost: price plus freight, insurance, duties, fees and delivery.
• Mispick: wrong item, quantity or location picked.
• Receiving accuracy: share of receipts entered without error.
• Rules of origin: criteria for where goods are made.
• WISMO: "where is my order?" customer contact.
• WMS: warehouse management system.

Sources

Source numbers in the lessons match this list. Dates show when each source was published or updated, where known. Vendor sources are labeled.

• 1. MMH / Peerless, 2026 Automation Study (2026)
• 2. Kardex, Integrated Warehouse Systems Statistics (2026)
• 3. Synkrato, Warehouse Automation Statistics 2026 (undated)
• 4. Sellers Commerce, Warehouse Automation Statistics (undated)
• 5. Xorosoft, Warehouse Automation Statistics 2026 (undated)
• 6. MMH / Peerless, 2026 Software Survey (2026)
• 7. Exotec, Top Warehouse Trends for 2026 (2026, vendor)
• 8. SeaBreezee, citing BLS JOLTS (2026)
• 9. Rebus, Warehouse Labor Shortage (2026, vendor)
• 10. Synkrato, How to Solve Warehouse Labor Shortages (undated)
• 11. Spotwork, Operations Leaders Winning in 2026 (undated, vendor)
• 12. Xorosoft, Warehouse Labor Statistics 2026 (undated)
• 13. DHL Group press release, January 14, 2026
• 14. Inbound Logistics, Supply Chain Takeaways, February 2026
• 15. Logistics Business, Four Trends Reshaping Returns (survey fielded October 2025)
• 16. FreightWaves, Last-mile costs rise 12% for a second year (2026)
• 17. Trackobit, Last Mile Delivery Statistics (undated)
• 18. Supply Chain Dive, 5 logistics trends to watch in 2026
• 19. FedEx, Navigating U.S. Tariffs and Customs Regulations (2026)
• 20. Zonos, US Import Tariff Tracker (updated October 14, 2026)
• 21. Avalara, How 2026 tariffs will impact global trade (2026)
• 22. SSFE Shipping, Section 301 Tariffs for 2026 (undated)
• 23. UPS, Tariffs and Their Impact on International Shipping (2026)
• 24. First Link, US Import Tariffs guide (2026)
• 25. UPS Supply Chain Solutions, 2026 Q3 Freight and Logistics Trends
• 26. Dcycle, CSRD reporting timeline after Omnibus I (2026)
• 27. Council of the EU press release, February 24, 2026
• 28. Coolset, CSRD under Omnibus (undated)
• 29. Gibson Dunn, Omnibus Simplification enacted (2026)
• 30. Argos Software, Stock Discrepancies in Warehouses (undated)
• 31. CyberStockroom, Warehouse Receiving Best Practices (May 14, 2026)
• 32. NetSuite, 12 Ways to Reduce Warehouse Picking Errors (undated)
• 33. Inveck, Inventory Control Errors (October 1, 2026)
• 34. Logistics Viewpoints, Why Inventory Accuracy Issues Start Before the Warehouse (April 21, 2026)
• 35. Global Sector Sync, 2026 US shipping rules (2026)
• 36. FHI, How to Solve Warehouse Labor Shortages in 2026 (undated)
• 37. Supply Chain 360, Last Mile Delivery Trends 2026 (undated)
• 38. MRPeasy, Top 3 Common Warehouse Management Mistakes (undated)
• 39. eBay, US tariff updates (updated July 28, 2026)

Course-design sources (used for structure and quizzes): Anderson & Krathwohl, revised Bloom's taxonomy (2001); Krathwohl (2002); Dunlosky et al. (2013); Roediger et al. (2011); Wisniewski, Zierer & Hattie (2020); CDC, Adult Learning Principles (April 2024); Mayer (2021, 2023).