Table of Contents
- Introduction
- 1. Warehouse staffing: what happens when the forecast is wrong?
- 2. Higher volume exposes inventory problems quickly
- 3. Warehouse capacity isn’t as simple as adding more pickers
- 4. More orders also mean more things that need fixing
- 5. The spike isn’t over when the last order leaves
- The real test is what happens next
Introduction
Just about every eCommerce brand wants growth. Fewer of them want it all at once. Maybe a campaign performs far better than expected, a product gets picked up by a big influencer or a promotion gains legs much faster than planned. All of a sudden, your usual 1,000 orders a month is closer to 2,000. That’s obviously a good thing. The bigger question is whether the operation behind the brand is ready for it. For a founder, the aim isn’t just to have one brilliant month. It’s to turn that growth into something repeatable. If doubling your orders also means slower dispatch, more mistakes, unhappy customers and a team struggling to keep up, some of the value of that growth disappears pretty quickly. Scaling your Fulfilment is a big part of that. From the outside, the maths look simple: twice the orders means twice the picking and packing. In reality, additional volume puts pressure on several parts of a warehouse at once. Staffing, inventory accuracy, replenishment, customer service and returns all get tested. A good 3PL should be able to scale with a growing brand. But an unexpected spike is often where you find out how scalable the operation really is.
1. Warehouse staffing: what happens when the forecast is wrong?
Warehouses plan labour around expected workloads. If a team is prepared for 1,000 orders and 2,000 arrive, the number of trained people available doesn’t suddenly double with them. The obvious risk is that dispatch starts to slip, but the impact can spread quite quickly. Packing stations get busier, lower-priority work gets pushed back and experienced staff can end up spending more of their time supervising additional temporary labour instead of doing the work themselves. There’s also a longer-term issue if this becomes the norm. A warehouse can get through the occasional difficult day by asking more of the team. Repeatedly relying on overtime and extra pressure is different. Productivity starts to suffer, errors become more likely and eventually the strain lands on customer service teams and account managers as they deal with the consequences. Depending on the size of the business, the founder may be the last person to find out there’s a problem – usually when customers start complaining. This is why forecasting matters so much. If your 3PL knows a promotion, launch or campaign is coming, they can plan labour around it. But forecasting isn’t perfect. Campaigns outperform expectations and demand can change very quickly. So the question isn’t only: Can my 3PL handle twice my current volume? It’s also: What happens if that volume arrives before anyone expected it to?
2. Higher volume exposes inventory problems quickly
Inventory accuracy matters at any volume, but mistakes become much harder to hide when products are moving faster. A warehouse management system might say there are 20 units available when the reality is different. Stock may have been placed in the wrong location, a movement might not have been scanned correctly, or a previous discrepancy may never have been fully resolved. At normal volumes, that might affect one order every so often. During a spike, the same problem can suddenly affect several customers in the space of a few hours. That can mean orders being accepted for stock that isn’t actually there, dispatch being delayed while somebody investigates a discrepancy or products showing as unavailable when stock is physically sitting somewhere in the warehouse. Ultimately, the customer doesn’t care why it happened. They care that they placed an order and you couldn’t fulfil it properly. Good barcode controls, disciplined stock movements, regular cycle counting and clear processes for investigating discrepancies aren’t particularly exciting parts of ecommerce, but they’re the kind of things that allow a fulfilment operation to keep working as volume grows. Growth doesn’t necessarily create inventory problems. It tends to expose the ones that were already there.
3. Warehouse capacity isn’t as simple as adding more pickers
There’s an easy assumption to make when thinking about fulfilment capacity. If two people can process a certain number of orders per hour, then twice as many orders should just require twice as many people. It doesn’t really work like that. Higher volumes can actually make some parts of warehouse operations more efficient. Orders can be batched more effectively, pick routes become denser and labour can be used more consistently. But more orders also create more work elsewhere. Fast-moving pick locations empty faster and need to be replenished more often. More stock has to be moved out of reserve storage. If the increase in sales continues, replacement stock also needs to arrive sooner and then be unloaded, checked, booked into the system, staged and put away before it can feed the picking operation. Goods-in can be a particular productivity hole. Receiving capacity isn’t just determined by how many people are available. A warehouse only has so much space allocated to incoming stock, only so many deliveries it can unload at once and only so many people who can work productively in the same staging area. At a certain point, adding another member of staff doesn’t add the same amount of capacity. This is why the real capacity of a warehouse isn’t simply the maximum number of orders its picking team can process per hour. It’s determined by whether the rest of the operation can keep feeding that team quickly enough.
4. More orders also mean more things that need fixing
Most orders should move through a fulfilment operation without anybody needing to intervene. Some won’t. Customers enter the wrong address. Orders need to be cancelled or amended. Something arrives damaged. An item is missing. A delivery fails. A stock discrepancy needs to be investigated. If the percentage of problematic orders stays exactly the same while volume doubles, the actual number of problems still doubles. This is where the responsiveness of your 3PL becomes particularly important. Your customer service team often can’t resolve an issue without information from the warehouse. If it takes two or three days to find out what happened to a missing item, a fairly minor fulfilment problem can quickly become a much bigger customer experience problem. And that’s where the difference between OK fulfilment and great fulfilment starts to matter. For many customers, their first order is their first real interaction with your brand. Fast delivery, getting exactly what they ordered and sorting out problems quickly all influence whether they come back. Winning twice as many customers during a strong month is great. Keeping as many of them as possible is better.
5. The spike isn’t over when the last order leaves
The outbound spike eventually settles down. Then some of those orders start coming back. Say a brand normally processes 1,000 orders and typically sees a 6% return rate. That’s around 60 returns. If a promotion pushes volume to 2,000, the same return rate means around 120 returns feeding back through the warehouse over the following days and weeks. Depending on the product category, it can be considerably higher. Returns also tend to involve more work than simply putting stock back on a shelf. Products may need to be inspected, graded, repackaged, quarantined or returned to stock, with inventory updated quickly enough that anything resellable becomes available again. It creates a second, delayed workload from the original sales spike. By the time outbound volumes have returned to normal, the returns operation may only be starting to feel the impact. This is easy to overlook when planning for a busy period because most of the attention naturally goes towards getting orders out the door. A scalable fulfilment operation needs to be able to absorb what comes back as well.
The real test is what happens next
One great month isn’t really the goal. The goal is being able to do it again. If a sudden jump in sales leads to late orders, inventory issues, overwhelmed teams and unhappy customers, the fulfilment operation becomes something the business has to recover from before it can think about repeating the growth. Great fulfilment should do the opposite. It should make growth feel fairly uneventful. Forecasting will always help. The more visibility a 3PL has around promotions, launches and expected growth, the better it can prepare. But brands can’t predict everything and a genuinely scalable fulfilment operation shouldn’t need a perfect forecast in order to function. It needs the people, processes, systems and operational discipline to cope when reality doesn’t quite match the spreadsheet. At Autofulfil, that’s how we think about scalable ecommerce fulfilment. The aim isn’t simply to build an operation that works at today’s volumes. It’s to build one that still works when today’s volumes become tomorrow’s baseline.
If you’re heading into peak and you’re not completely sure how your current fulfilment setup would cope with an unexpected jump in volume, it’s worth finding out now rather than during it. Autofulfil can help you pressure-test your current setup and understand where the weak points might be.
Thinking about whether your current setup will hold? We’re happy to take a look and tell you straight. Request a quote or a chat →
You chill. We fulfil.
