A mis-shipped order costs far more than the second shipping label. Once you count the reship, the return, the support contacts, the chance of a chargeback and the customer who does not order again, one wrong item costs about $55 in the worked example below. At 10,000 orders a month, moving from 99.5% to 99.9% order accuracy removes 40 errors and roughly $1,900 of cost every month.
The cost of a mis-shipped order is the reship (pick, pack and postage), the return or write-off of the wrong item, support time, and the risk of a chargeback or a lost customer. In our worked example that totals about $55 for a wrong item and $36 for a missing item. At 10,000 orders a month, 99.0% accuracy means 100 errors (about $4,700), and 99.9% means 10 (about $470).
Google's AI Overview for this query quotes industry error rates of 2% to 3%. Ecommerce 3PL benchmarks are much stricter: DCL Logistics' June 2026 KPI guide puts the order accuracy benchmark above 99%, so a 2% error rate is at least twice what the benchmark allows.
How much does one mis-shipped order cost?
In our worked example, one wrong-item error costs about $38 in cash and about $55 once you price chargeback risk and a lost repeat customer. The inputs are illustrative, not Orderfy rates, so replace them with your own.
The example brand has a $65 average order, a $20 landed cost per unit, $8.50 average ground postage, a $3.50 pick and pack fee per order, a fully loaded support cost of $5.10 per ticket (the worked figure from our customer service cost guide) and $60 of expected future gross profit per customer.
| Cost line | Example cost | How it is worked out |
|---|---|---|
| Replacement pick and pack | $3.50 | One more order through the warehouse |
| Replacement postage | $8.50 | A second ground label; more if you upgrade the service to make up time |
| Packaging for the reship | $1.00 | Box, fill and any insert |
| Return label for the wrong item | $7.50 | Prepaid label so the unit comes back |
| Return receiving and inspection | $3.00 | Receive, grade and restock |
| Wrong item that cannot be resold | $4.00 | 1 in 5 returned units unsellable, times $20 landed cost |
| Support contacts | $10.20 | Two contacts at $5.10 each |
| Cash subtotal | $37.70 | Paid out within days of the error |
| Chargeback or refund risk | $2.40 | Example: 3 in 100 errors end in a lost dispute ($65 order plus a $15 fee) |
| Lost repeat purchase | $15.00 | Example: 25% chance the customer never orders again, times $60 future gross profit |
| Total per wrong-item error | $55.10 | Cash subtotal plus the two risk lines |
Two lines deserve a closer look. The chargeback line uses the Shopify Payments chargeback fee in the United States, $15 as of October 2026. Shopify withdraws the disputed amount and the fee when the bank opens the chargeback, and you usually have 7 to 21 days to respond with evidence (Shopify Help Center). The lost-customer line is the largest single item and the hardest to see, because it never appears on an invoice. If a large share of your revenue comes from returning customers, raise it.
Should the customer send the wrong item back? With a $7.50 label, $3.00 processing and 1 in 5 returns unsellable, the return path costs $10.50 plus a fifth of the unit's landed cost. The break-even landed cost is about $13: below that, let the customer keep the item and skip the return. Our returns cost guide has the same test for ordinary returns.
Does the cost change by type of error?
Yes. A missing item costs less than a wrong item because nothing has to come back, and a label swap costs double because two customers receive the wrong box.
| Error type | What happens | Cash cost (example) | With risk lines (example) |
|---|---|---|---|
| Wrong item or wrong variant | Reship the right item; return or write off the wrong one | $37.70 | $55.10 |
| Missing item or short quantity | Reship the missing unit; one support contact; nothing to return | $18.10 | $35.50 |
| Extra item shipped | The customer received more than they paid for; the unit is usually written off | $20.00 | $20.00 |
| Label swap (two orders switched) | Two customers each receive the other order | $75.40 | $110.20 |
For a mix of 60% wrong items and 40% missing items, the example blends to about $30 per error in cash and about $47 per error with risk included. The rest of this post uses those two figures.
What do 99.0%, 99.5% and 99.9% accuracy mean at 10,000 orders a month?
At 10,000 orders a month, 99.0% order accuracy is 100 errors, 99.5% is 50 and 99.9% is 10. In the example that is about $4,700, $2,350 and $470 a month.
| Order accuracy | Errors per month | Cash cost per month ($30 each, example) | Full cost per month ($47 each, example) | Full cost per year (example) |
|---|---|---|---|---|
| 99.0% | 100 | $3,000 | $4,700 | $56,400 |
| 99.5% | 50 | $1,500 | $2,350 | $28,200 |
| 99.8% | 20 | $600 | $940 | $11,280 |
| 99.9% | 10 | $300 | $470 | $5,640 |
The step from 99.5% to 99.9% looks small as a percentage, but it removes 80% of the errors. Errors also arrive as work for your team: 100 errors in this mix produce about 160 support contacts a month (two per wrong item, one per missing item) that nobody planned for.
How much is each tenth of a percent worth at 5,000 to 25,000 orders?
Each 0.1 percentage point of order accuracy is one error per 1,000 orders. At 10,000 orders a month that is 10 errors, or about $470 a month in the example.
| Orders per month | Errors per month at 99.5% | Errors per month at 99.9% | Errors avoided per year | Full cost avoided per year ($47 each, example) |
|---|---|---|---|---|
| 5,000 | 25 | 5 | 240 | $11,280 |
| 10,000 | 50 | 10 | 480 | $22,560 |
| 25,000 | 125 | 25 | 1,200 | $56,400 |
Put this number next to every 3PL quote. A provider that charges slightly more per order but runs at a higher, measured accuracy rate can cost less overall. Compare the cost per order and the cost of errors together, and check whether the accuracy rate holds in November and December, when volume and staffing change.
Who pays for a mis-shipment: you or the 3PL?
A typical 3PL accuracy guarantee covers the reship and sometimes the fulfillment fee on the bad order. Support time, chargebacks and lost customers usually stay with the brand unless the contract says otherwise.
| Cost line | Typical 3PL guarantee | What to ask for in writing |
|---|---|---|
| Replacement pick, pack and postage | Commonly covered | Free reship of warehouse-caused errors at the same service level |
| Fulfillment fee on the bad order | Sometimes covered | A credit of the original order fee |
| Return label and processing | Varies | Who pays the return label when the warehouse caused the error |
| Wrong item that cannot be resold | Varies | Reimbursement at landed cost |
| Support time | Rarely covered | Error details fast enough that your team answers in one reply |
| Chargebacks and lost customers | Rarely covered | A written SLA with fee credits when accuracy falls below target |
In the example, a guarantee that covers the reship and credits the order fee returns about $16.50 of the $55.10 (pick and pack, postage, packaging and a $3.50 fee credit). The remaining $38.60 is why the measured accuracy rate matters more than the guarantee. Our 3PL contract guide covers service credits and liability terms.
How should order accuracy be measured?
Order accuracy is error-free orders divided by orders shipped in the same period. The definitions decide whether 99.9% at one warehouse means the same thing as 99.9% at another.
- What counts as an error: wrong item, wrong variant, wrong quantity, missing item, and a wrong label or address applied in the warehouse. Carrier loss and addresses the customer typed wrong belong in separate metrics.
- Where errors are found: customer reports undercount errors, because some customers keep a wrong item without writing in. Scan records and pack-out photos catch more.
- Denominator: orders shipped, not units or order lines. A line-level rate looks better than an order-level rate when orders have several items.
- Data you can check: ask for the monthly list of error orders with the order number, the error type and the cause.
DCL Logistics' June 2026 KPI guide gives the formula as error-free orders divided by total orders, times 100, and sets the industry benchmark above 99%. Ask any 3PL which formula sits behind its quoted rate before you compare two providers.
What causes mis-ships, and how do you cut them?
Mis-ships usually trace back to look-alike variants, missing or wrong barcodes, shared bins and manual steps at pack. Work through the fixes in this order.
- Scan at pick and again at pack. A second scan before the box is sealed catches the wrong size or color that looks identical on the shelf.
- Put a scannable barcode on every unit. Units without one get keyed in by hand, and hand entry is where variant mix-ups start.
- Give each variant its own bin. Sizes and colors sharing a bin are a frequent source of wrong-variant picks.
- Clean the product data. Duplicate SKUs, reused barcodes and bundles with the wrong components create errors before anyone picks.
- Photograph packed orders. Photos settle disputes and show the cause of the errors that still happen.
- Review errors every week by cause. Group them by SKU, error type and shift. A handful of SKUs often account for most of the errors.
For the warehouse side of these fixes, see how to improve warehouse efficiency.
Where does Orderfy fit?
Orderfy is a tech-enabled, modern 3PL for high-volume Shopify and Amazon brands. Most of the cost in this post comes from errors, so accuracy is measured on every order.
- Accuracy: Orderfy's order accuracy rate is 99.9%, tracked in Orderfy WMS, the proprietary inventory software we built in-house for Shopify and Amazon sellers. Many 3PLs license their WMS from a software vendor. Orderfy built its own.
- Guarantee: written SLAs with fee credits are available.
- Proof: photo records of shipments give you evidence for customer and carrier disputes.
- Visibility: Orderfy WMS is included for clients, so you manage your whole inventory in one place and track every order at every stage. Inventory syncs with Shopify in real time, and tracking reaches Shopify as soon as the label is created.
- Access: direct communication channels give your team 24/7 access to the warehouse team, so a question about an error goes to the people who packed the order.
- Location: the warehouse is in the center of the US (Dallas-Fort Worth), so ground shipping reaches both coasts quickly, including reships, without paying for air.
Orderfy is not the right fit for brands that need warehouses on both coasts for one-day ground delivery, or for brands that ship a few hundred orders a month. If your products need temperature control or hazmat handling, ask before you request a quote.
Frequently asked questions
A misshipment is an order that leaves the warehouse with the wrong item, the wrong quantity, a missing item or the wrong label. It differs from a lost or damaged parcel, which is a carrier or packaging problem. Only misshipments count against order accuracy.
Figures quoted online vary widely because each source counts different costs. In our worked example, a wrong item costs about $38 in cash and about $55 with chargeback risk and a lost repeat customer included. Build your own figure from your postage, product cost, support cost and repeat-purchase rate.
DCL Logistics' June 2026 KPI guide puts the industry benchmark above 99%. At 10,000 orders a month, 99% still means 100 errors, so ask for the rate in writing with the formula and the monthly list of error orders.
Yes, when the return costs more than you can recover. With a $7.50 label, $3.00 processing and 1 in 5 returns unsellable, the break-even landed cost is about $13. Below that, let the customer keep it; above it, bring the unit back and restock it quickly.
Yes, if the customer disputes the charge instead of contacting you, or if the fix takes too long. With Shopify Payments in the United States, the disputed amount and a $15 fee are withdrawn when the chargeback opens, as of October 2026 (Shopify Help Center). Pack-out photos and the reship tracking number are the evidence that helps you respond.
Add the reship (pick, pack, postage and packaging), the return path or write-off of the wrong item, and support time at your cost per ticket. That gives the cash cost. Then add an estimate for disputes and lost repeat purchases, using your own repeat rate and gross margin.
Get a quote
If errors are showing up in your support queue, get a quote and ask how order accuracy is measured and reported in Orderfy WMS. Get a quote.
Sources
- Shopify Help Center: Responding to chargebacks and inquiries (chargeback process and chargeback fees by country), checked October 2026
- DCL Logistics: 3PL performance metrics (order accuracy formula and benchmark), updated June 19, 2026