Published on May 15, 2024

The relentless pressure to pick faster often creates more errors, hurting your bottom line and team morale.

  • True speed comes from systematically eliminating wasted motion (physical friction), not from rushing.
  • Guiding workers with systems like Pick-to-Light reduces mental guesswork (cognitive friction) and can push accuracy rates above 99%.

Recommendation: Shift your focus from pushing for speed to engineering a frictionless process. Your new goal is to make the correct pick the easiest and most obvious action for your team to take.

As a fulfillment center manager, you know the pressure. The clock is ticking towards the same-day shipping cutoff, and every order is a race. The traditional response? “Pick faster!” But this approach is a trap. Pushing for raw speed almost always leads to a spike in human error—mis-picks, wrong quantities, damaged items—that erodes profitability and customer trust. The cost of fixing these mistakes, both in dollars and in reputation, quickly negates any gains from a slightly faster pick rate. You’re caught in a paradox: you need more speed, but you can’t afford more errors.

Many warehouses try to solve this with generic solutions: more training, better supervision, or simply investing in a new Warehouse Management System (WMS) and hoping for the best. While these have their place, they often fail to address the root cause of the problem. The real bottleneck isn’t a lack of effort from your team; it’s the operational ‘friction’ built into your processes. This friction comes in two forms: physical friction (unnecessary walking, bending, and reaching) and cognitive friction (the mental effort of finding items, matching SKUs, and deciding what to do next).

What if the key wasn’t to push your team harder, but to make their jobs radically easier? This guide reframes the challenge. Instead of focusing on speed as the primary goal, we will focus on systematically identifying and eliminating every point of friction in your order picking workflow. By making the correct action the most effortless action, you’ll unlock a new level of performance where speed and accuracy are no longer opposing forces, but natural outcomes of a well-designed system. We’ll explore how to redesign your layout to slash travel time, deploy smart technology to guide workers instantly, choose the right picking strategy for your order profile, and use data to motivate sustainable improvement, not burnout.

This article provides a structured, metric-driven roadmap for transforming your picking operations. Below, you’ll find a detailed breakdown of actionable strategies that you can begin implementing to meet and exceed your fulfillment targets.

Why walking accounts for 60% of a picker’s day and how to stop it?

The single greatest enemy of picking productivity is not the complexity of an order or the weight of an item; it’s the picker’s footsteps. Walking is the ultimate form of physical friction in a warehouse. While it feels like work, every second spent walking between aisles, from the pick face to the packing station, is non-value-added time. Astonishingly, research from the Georgia Institute of Technology shows that travel time can account for over half of all order picking activities, with order picking itself representing 55% of total warehouse operating costs. If your pickers are walking, they aren’t picking. Reducing this travel time is the most significant lever you can pull to increase throughput without asking your team to work any harder.

The solution starts with a deep analysis of your inventory and layout. You must wage a war on wasted motion. This means redesigning your warehouse so that the most frequently picked items are the most accessible, and pick paths are as short and logical as possible. For instance, DHL engineers found that optimizing pick paths to visit the fewest aisles per assignment was a critical strategy to reduce operating costs. It’s about being smarter with movement, not just faster. The following checklist provides a foundational plan to start reclaiming that lost time.

Action Plan: 5 Steps to Reduce Picker Walking Time

  1. Conduct an ABC analysis: Categorize your entire inventory by order volume. ‘A’ items (high-volume bestsellers) must be placed at the front of the warehouse or closest to packing stations. ‘C’ items (low-volume, slow-movers) can be stored in less accessible areas.
  2. Implement dynamic slotting: Don’t let your ABC analysis become static. Use real-time data from your WMS to adjust item placement based on seasonality, promotions, and changing demand to continuously optimize your layout.
  3. Visualize picker paths: Use WMS and RF scanner data to map the actual routes your pickers take. Compare these “desire paths” to the theoretically ideal routes to identify where your layout is failing them.
  4. Eliminate hidden bottlenecks: Analyze scanner data through process mining to find small, repetitive delays. Is there a congested intersection? A poorly placed bin? These micro-bottlenecks add up to significant lost time.
  5. Reorganize into logical zones: Structure your warehouse into zones that minimize the need for pickers to cross the entire facility. This sets the stage for more advanced strategies like zone or batch picking.

How to install a Pick-to-Light system to guide temporary workers instantly?

During peak seasons, temporary workers are essential, but their learning curve can be a major drag on productivity. This is where you must attack cognitive friction. A new worker staring at a pick list, trying to match a SKU number to a bin location, is a recipe for slowness and errors. A Pick-to-Light (P2L) system obliterates this friction. Instead of reading and searching, the worker is guided by a simple, intuitive light. The system illuminates the correct location and displays the required quantity, turning a complex search task into a simple, follow-the-leader action. This is why PTL is so effective for temporary staff; the training time is drastically reduced, often to less than an hour.

The impact on accuracy is profound. By removing the need for interpretation, you remove a primary source of human error. It’s not uncommon for facilities to find that light-directed picking systems can boost warehouse picking accuracy rates to 99% or higher. For a manager under pressure, this is a game-changer. It means you can onboard a temporary workforce and have them picking with the accuracy of a seasoned veteran on day one. The system guides their hands and frees their minds to focus on speed and careful handling.

Temporary warehouse worker following illuminated picking guidance system with colored LED indicators

As you can see, the focus shifts from the picker trying to find the product to the system showing them the way. This is particularly crucial in high-velocity environments where every second counts. Case studies show that training time can be as short as 30-45 minutes, making it an ideal solution for operations with high turnover or a reliance on seasonal labor. The investment in P2L is an investment in immediate, error-free productivity.

Zone picking vs Batch picking: Which clears the Monday morning backlog faster?

Monday morning. The weekend’s e-commerce orders have flooded the system, and the backlog is intimidating. Your choice of picking strategy is what will determine whether you clear that backlog by noon or are still chasing it at the end of the day. The two primary workhorses are Zone Picking and Batch Picking, and choosing the right one depends entirely on your order profile and warehouse layout. Zone Picking confines pickers to a specific area, where they pick all the items for orders that pass through their zone. Batch Picking, on the other hand, has a picker gather multiple orders at once, collecting all the required SKUs in a single trip.

So, which is faster for that Monday rush? If your backlog consists of many small, single-item orders, Batch Picking is often the champion. A single picker can clear dozens of orders in one efficient path. However, if your orders are complex, multi-line behemoths, trying to batch them can lead to chaos and sorting errors. In that case, Zone Picking shines, as it allows for parallel processing; multiple pickers work on different parts of the same orders simultaneously. The key is to analyze your data before the rush hits. A hybrid approach, where batches of orders are routed through specific zones, often provides the best of both worlds.

To help you make a data-driven decision, this comparative analysis breaks down the core strengths and weaknesses of each method. As detailed in an insightful warehouse picking guide, the optimal choice is rarely one-size-fits-all.

Zone vs. Batch Picking: Backlog-Clearing Performance
Criteria Zone Picking Batch Picking
Best For Large warehouses with defined areas & complex orders High-volume orders with common SKUs
Walking Time Reduction High (workers stay in zones) Medium (multiple orders per trip)
Error Risk Higher at consolidation points if not managed well Higher risk of item cross-contamination in the cart
Monday Backlog Handling Good for parallel processing of many complex orders Excellent for clearing a high volume of similar, simple orders
Training Required Picker needs to become an expert in their specific zone Picker needs strong sorting skills to manage multiple orders

The shelving height mistake that causes back strain and slows down your best pickers

One of the most overlooked forms of physical friction is poor ergonomics. You can have the best pickers in the world, but if they are constantly reaching high above their heads or bending down to the floor, their speed will plummet, and their risk of injury will skyrocket. This leads to the “shelving height mistake”: storing high-velocity items outside the picker’s ergonomic “Golden Zone.” This optimal area is located roughly between the picker’s shoulders and knees. Every pick from this zone is fast, efficient, and low-strain. Every pick outside of it introduces wasted motion and physical stress.

This isn’t just about comfort; it’s about metrics. A picker slowed by a twinge in their back is a drain on throughput. Worse, a serious back injury can be devastating for both the employee and the company’s bottom line, with workplace safety data showing the average cost of a worker’s compensation claim can be substantial. Your best pickers are your most valuable assets; forcing them into ergonomically hostile movements is a slow-motion productivity killer. Your ‘A’ items, the lifeblood of your operation, must live in the Golden Zone. Slower-moving ‘B’ and ‘C’ items can occupy the higher and lower shelves.

Side view demonstrating optimal picking height between shoulders and knees with ergonomic positioning

As this visualization shows, designing for the human body is designing for speed. For operations looking to maximize density, advanced solutions like Vertical Lift Modules (VLMs) take this principle to its logical conclusion. These automated systems store items vertically and deliver them directly to the picker at an optimal ergonomic height, completely eliminating both walking and harmful bending or reaching. This not only maximizes speed but also allows you to use your warehouse’s full vertical space.

How to use leaderboards to increase picking speed by 15% sustainably?

Tapping into the competitive spirit of your team with leaderboards can be a powerful motivator, but it’s a tool that requires finesse. A poorly implemented leaderboard that only rewards raw speed will inevitably lead to a spike in errors and potential safety shortcuts—the very things you’re trying to avoid. The key to a sustainable 15% or more increase in picking speed is to use a balanced and gamified scorecard, not a simple “fastest picker” list. This approach transforms the leaderboard from a source of pressure into a source of positive reinforcement and professional pride.

Instead of just one metric, track and reward a combination of factors. A balanced scorecard might include:

  • Picking Accuracy: The non-negotiable foundation.
  • Picking Speed (Units Per Hour): The engine of throughput.
  • Safety: Zero incidents or near-misses.
  • Teamwork/Helpfulness: A subjective but important metric for fostering collaboration.

This multi-faceted approach prevents pickers from sacrificing accuracy for speed. You can further enhance this by focusing on personal bests and ‘error-free streaks’ rather than just direct competition. This allows every team member to strive for improvement, not just the naturally fastest pickers.

Case Study: Ace Endico’s Gamified Scorecard

To motivate its team, food distributor Ace Endico implemented a creative, baseball-themed scoreboard. Different levels of achievement in speed and accuracy were equated to a single, double, triple, or home run. This gamified strategy focused on celebrating error-free performance. The top award, the “Gold Glover,” was given to pickers who demonstrated exceptional accuracy. One monthly winner made over 35,000 picks without a single error, achieving an incredible 99.997% accuracy rate. This proves that when motivation is structured correctly, speed and near-perfect accuracy can absolutely coexist.

How to reduce last-mile delivery costs in urban areas without sacrificing speed?

Your warehouse’s efficiency can be completely undermined by an expensive and slow last-mile delivery process, especially in congested urban areas. A picking error that isn’t caught internally doesn’t just disappear; it travels all the way to the customer’s doorstep, resulting in a failed delivery, a costly return, and a frustrated customer. The fight for efficiency must extend beyond your four walls and into the complex logistics of the final mile. Reducing these costs without sacrificing the speed that customers now demand requires a blend of technology and strategic positioning.

The modern toolkit for urban last-mile delivery focuses on flexibility, precision, and proactive problem-solving. It’s about giving customers more control while using data to make your delivery routes smarter and more resilient. The goal is to maximize the success rate of first-time deliveries and minimize the time vehicles spend stuck in traffic or searching for an address. Here are several key strategies leading fulfillment operations are using:

  • Leverage crowdsourced delivery: Use platforms like Uber Freight or local equivalents to handle demand peaks without maintaining a large, expensive fleet.
  • Establish micro-fulfillment centers (MFCs): Place small, highly automated fulfillment hubs within urban centers. This drastically cuts down the final delivery distance and time.
  • Implement precise delivery windows: Provide customers with narrow, accurate delivery windows and real-time GPS tracking to ensure they are home to receive the package.
  • Use AI for predictive routing: Modern routing software doesn’t just find the shortest path; it uses AI to predict traffic patterns, consider weather forecasts, and adjust routes proactively.
  • Offer self-service rescheduling: Empower customers to easily reschedule a delivery via a web or mobile app, significantly reducing the rate of failed delivery attempts.

Optimizing your internal operations is only half the battle. To win in modern e-commerce, you must also master the complexities of urban last-mile logistics.

How to integrate Automated Guided Vehicles (AGVs) into an existing warehouse layout?

If walking is the enemy of productivity, then having robots do the walking is the ultimate solution. Automated Guided Vehicles (AGVs) and more advanced Autonomous Mobile Robots (AMRs) represent the next frontier in eliminating physical friction. These robots can handle the long-haul transportation of goods within the warehouse, freeing up your human workers to focus on the high-value tasks of picking and packing. However, the idea of integrating robots can be intimidating for managers of existing facilities. The good news is that it doesn’t have to be a disruptive, all-or-nothing overhaul. A phased approach can de-risk the process and build trust among your team.

Despite the hype, automation is still in its early stages of adoption. According to MHI research, only about 20% of warehouses currently use automation, with only 5% using sophisticated systems. This presents a huge competitive advantage for those who move strategically. The key to success in an existing facility is to start small and prove the value. A phased integration roadmap allows you to learn, adapt, and get buy-in from your staff at every step.

A successful phased integration often looks like this:

  1. Phase 1: Low-Risk Tasks. Start with simple, repetitive tasks that have minimal impact on core operations, such as transporting trash or cardboard to the baler. This gets your team comfortable working alongside robots.
  2. Phase 2: Point-to-Point Transport. Progress to using AGVs for pallet transport between the receiving dock and the storage area, or from a picking zone to the packing station.
  3. Phase 3: Goods-to-Person Workflows. The most advanced stage, where AGVs or AMRs bring entire shelves or totes of products directly to a stationary picker, virtually eliminating all travel time.

This gradual process, combined with clear ‘traffic rules’ for human-robot interaction zones and proper training, ensures a smooth and successful integration into your existing layout.

Key Takeaways

  • Your biggest opportunity for speed is eliminating travel time; a picker who is walking is not picking.
  • Use technology like Pick-to-Light to guide workers and reduce mental errors, making the correct pick the easiest option.
  • Ergonomics is not a luxury; storing high-velocity items in the “Golden Zone” (shoulders to knees) is a direct driver of sustainable speed.

How to update warehousing strategies for high-velocity e-commerce fulfillment?

The strategies that worked for traditional, pallet-in-pallet-out warehousing are completely inadequate for the demands of high-velocity e-commerce fulfillment. Today’s environment is defined by a high volume of small, complex orders with ever-shrinking delivery windows. In this world, efficiency is not just a goal; it’s a survival requirement. Updating your warehousing strategy means embracing the principles of friction reduction as a core operational philosophy. Every single step, from slotting to picking to packing, must be scrutinized to remove wasted time and effort.

The financial impact of inefficiency is brutal in e-commerce. Margins are often thin, and the cost of errors is high. In fact, operational data demonstrates that a single picking error can slash an order’s profitability by as much as 13%. When you multiply that across thousands of orders, it becomes clear that accuracy is not a “nice-to-have”—it’s a primary driver of your bottom line. Modern strategies like implementing optimized pick paths can reduce travel distances by up to 45%, a massive gain that flows directly into improved productivity and higher throughput.

The modern warehouse strategy is a holistic system where layout, technology, process, and people work in harmony. It’s about using ABC analysis to inform a dynamic slotting strategy, choosing between zone and batch picking based on real-time order profiles, and using balanced metrics to motivate your team toward a common goal of speed and perfection. It is a continuous cycle of analysis, optimization, and execution, all aimed at one thing: creating a truly frictionless fulfillment machine.

To stay competitive, you must constantly evolve. Revisiting the foundational principles of high-velocity strategy ensures your operation is always ready for what’s next.

Your journey to a faster, more accurate warehouse begins now. The first step is not to demand more from your team, but to look at your own processes with fresh eyes. Start by conducting a simple audit: identify the single biggest source of physical or cognitive friction in your picking process today, and make a plan to eliminate it.

Written by Jan Kowalski, Warehouse Operations Director and Lean Six Sigma Black Belt focused on intralogistics efficiency. Specializes in WMS optimization, inventory control, and safety protocols.