Ecommerce supply chain: what customers see, and what to tell them when it slips
Your customers never see the factory, the freight or the customs hold. They see three things: whether it's in stock, when it'll arrive, and whether you kept your word.
- 129Supply Chain
- The network of suppliers, manufacturers, warehouses and carriers that moves a product from raw materials to the customer's door.
- Customers see
- Stock levels, delivery dates and whether the promise held
- Who runs it
- Your buying and operations side, not the email calendar
- Where email meets it
- Back in stock alerts, launch timing and delay notices
Where a direct to consumer supply chain usually bends
Look, we don't run supply chains. But every wobble upstream ends up in an inbox eventually: yours, as a customer asking where their order is, or theirs, as an email you wish you hadn't sent.
For most online shops the chain is short on paper and long in practice. You design it, a manufacturer makes it, freight carries it, a warehouse books it in and a carrier delivers it. The weak points are nearly always the same.
- Lead times measured in weeks or months, and quoted optimistically
- Minimum order quantities that force big, risky batches
- One supplier for a bestseller, and no plan B
- Freight and customs holds that nobody can hurry
- Peak season, when everyone wants the same capacity
How a late container turns into five different emails
- A bestseller sells out, and sign-ups for the back in stock flow start stacking up
- A launch slips, and the teaser emails already sent need a follow-up
- Pre-orders wait longer, and those customers need telling before they ask
- A replenishment reminder fires while the product is out, and sends a loyal customer to a competitor
- A supplier swaps a material, and the product page and care emails go out of date
None of those is a copy problem. They're timing problems, and the timing lives with whoever knows when the stock really lands.
Plan campaigns around the day stock is booked in
The factory date is a hope. The shipping date is a better guess. The date your warehouse books the stock in is the only one worth putting in the email calendar.
Share that calendar with whoever does your buying. Give the waiting list first go at a restock before the campaign goes out. And check the product blocks in your flows can't push something you can't ship this week.
There's an upside too. Where your product comes from is a story plenty of shops never tell, and a sourcing email is a good place to tell it.
Tell customers about a supply delay before they have to ask
Send it before the first customer emails you. Say what's late, the new date you actually believe, and what they can do: wait, swap to something in stock, or cancel for a refund.
Send it from a person, keep it short, and skip the discount code unless the wait is long. A code attached to an apology reads like a bribe. A plain date reads like a business that knows what it's doing.
Related terms
FAQs
How often should we update customers during a long delay?
Every time the date moves, and at regular intervals while it doesn't, so nobody wonders whether you've forgotten them. Keep each update short: the current date, what changed, and how to cancel if they've had enough. The update people resent is the one that arrives after they've already chased you.
Can supply chain problems hurt our email results?
Indirectly, yes. A customer left waiting without a word has every reason to unsubscribe, or to hit the spam button on your next campaign, and mailbox providers count every complaint against you. Sold-out products sitting in your flows drag on clicks and orders too, because people click through to something they can't buy.
What is the difference between supply chain and logistics?
Supply chain is the whole network, from whoever makes your raw materials to the customer's door. Logistics is the moving and storing inside it: freight, warehousing, carriers and returns. The supply chain decides what you'll have and when. Logistics decides how it reaches people.
Rather we explained it on your own account?
Bring your Klaviyo account to a growth consultation. We'll walk through what this means for your numbers, in plain English, and what we'd fix first.
Half an hour with Theo, our founder.
We're all about relationships built on trust, mutual respect and a shared vision for success. If that sounds like your vibe, let's make some waves together 🌊
