A $6.2M DTC brand moved 30% of production from China to Vietnam. Expected 6 months. Took 14. Here is the full timeline, the $93K in hidden costs, and what they learned.
A $6.2M DTC brand moved 30% of production from China to Vietnam.
Expected timeline: 6 months. Actual timeline: 14 months.
Expected transition cost: contained. Actual unplanned cost: $93,000.
Year one net result: a loss of $31,000 on the transition. Year two: $50,000 in gains. Year three and beyond: $62,000 annually. Total payback period: 18 months.
This is that story, told the way founders actually need to hear it. Not the version where diversification is presented as a clean strategic move with a tidy ROI. The version with the defective production runs, the missed deadlines, the internal promises that turned out to be wrong, and the specific decisions that, made differently, would have saved time and money.
The Brand and the Decision to Move
Home and lifestyle category. 34 SKUs. 100% China manufacturing. Growing revenue but a cost structure under pressure from two directions at once: 25% tariffs on a meaningful portion of their product catalog, and board-level pressure post-COVID to reduce supply chain concentration risk.
The combination made diversification not just strategically attractive but politically necessary. The question was not whether to move production. It was how.
They had done the right first step: run the SKU-level sourcing scorecard before making any decisions. From 34 SKUs, they identified 8 as strong move candidates. All 8 shared the same profile: relatively simple construction, strong margins that could absorb a transition period, high enough volume that a new supplier would prioritize the account, and no acute lead time sensitivity that would punish a longer ramp.
On paper, these were the ideal SKUs to move. That assessment was correct. The problems that followed were not about which products they chose. They were about everything else.
The Timeline: What Was Planned, What Actually Happened
What they told the board: 6 months from supplier selection to consistent production.
What actually happened: 14 months.
Here is how each phase played out.
Months 1 and 2: Supplier Search
The search phase went roughly as planned. They identified candidates through a combination of trade show contacts and a sourcing agent hired specifically for Vietnam. Initial outreach, company profile review, business license verification, and reference checks reduced the field from twelve candidates to three.
What slowed this phase: reference checks took longer than anticipated. Two of the references provided by one candidate were unresponsive for weeks. When they finally replied, the feedback was vague enough to be a soft red flag. That candidate was eliminated, which was the right call but added three weeks to the timeline.
Months 3 and 4: Samples and Negotiations
Samples from the two remaining candidates were ordered simultaneously. Existing product samples arrived first, then custom samples against the brand’s spec documents.
First round of custom samples: both suppliers missed on dimensional tolerances. Not dramatically, but enough to require a second sample round. The brand’s spec documents, it turned out, lacked the level of detail needed for a new supplier without prior context on the product. Specifications that the China supplier understood from three years of relationship and informal knowledge were not captured formally anywhere.
This is the single most common and most preventable problem in production transitions. The knowledge lives in the relationship, not the documents. Moving to a new supplier makes that visible immediately.
Second sample round passed. One supplier was selected. Contract negotiated. Payment terms agreed.
Months 5 and 6: First Production Run
First production run of 2,400 units across the 8 SKUs. Target delivery: end of month 6.
Actual delivery: end of month 6, technically. But the shipment that arrived had a 12% defect rate on two of the eight SKUs. Not defects that made the product dangerous or unusable. Defects in finish quality and dimensional consistency that made the products unsellable at the brand’s standard.
$28,000 in unusable inventory. A rework negotiation with the supplier that took three weeks to resolve. And a board meeting where the “6-month timeline” narrative became very difficult to hold.
Months 7 through 9: Quality Issues and Rework
The rework negotiation resulted in the supplier agreeing to replace the defective units at their cost, with delivery in month 8. That replacement shipment passed inspection. But the process of identifying what caused the defects, documenting the corrective action, updating the spec documents to make the requirements unambiguous, and rebuilding internal confidence took through month 9.
The sourcing agent, who had been visiting the factory weekly, identified the root cause: the production team on two of the SKUs had been substituting a slightly different material for a component when the specified material was out of stock, without flagging it. A standard practice with their domestic customers, who had informal agreements to accept minor material substitutions. Not communicated to the brand. Not documented anywhere.
This is a cultural and process gap, not a competence gap. The supplier was not cutting corners deliberately. They were operating the way they always had. Closing that gap required explicit documentation and explicit communication, both of which the brand now had.
Months 10 through 12: Process Refinements
Three additional production runs through this period. Each one better than the last. Defect rate fell from 12% to 4% to 1.8%. Communication cadence formalized: weekly update from the agent, monthly video call between the brand’s supply chain lead and the supplier’s production manager.
The spec documents were rebuilt from scratch, incorporating everything the first production run had revealed was missing. Templates that had served adequately for the China supplier, where relationship filled the gaps, were not adequate for a new relationship starting from zero.
Months 13 and 14: Finally Hitting Targets
Month 13 production run: 1.8% defect rate, on-time delivery, quality consistent with samples. Month 14: same. The brand had a reliable second source for 30% of revenue.
Fourteen months after the process started.
What Actually Worked
Four decisions made the difference between a transition that eventually succeeded and one that might have been abandoned.
Starting with the right SKUs. The SKU selection process held up. The 8 products chosen were genuinely the right candidates. Despite the quality issues on the first run, the product complexity was manageable enough that a new supplier could learn it within a reasonable timeframe. If they had tried to move complex, high-precision SKUs through the same process, the defect rate and timeline would have been significantly worse.
Keeping China active as a backup. The brand made a deliberate decision not to reduce China production during the Vietnam ramp. This decision cost more in the short term. It was the right call. When the first production run in Vietnam produced $28,000 in unusable inventory, the China supplier fulfilled those orders without disruption to customers. If they had reduced China capacity in anticipation of Vietnam being ready at month 6, they would have had a customer-facing problem on top of a supply chain problem.
Hiring the local sourcing agent before the first production run. The agent, at $2,500 per month, was the most valuable investment of the entire transition. Weekly factory visits caught the material substitution issue faster than any remote process would have. The agent also managed the rework negotiation directly, with cultural and language fluency the brand’s team did not have. Over 14 months, the agent cost $35,000. What they prevented almost certainly cost more than that.
Over-communicating internally. The supply chain lead made a decision early to give leadership and Finance full visibility into what was happening, including the problems, in real time. No filtering. No optimistic reframes. When the first production run failed, it was not a surprise to anyone internally. That transparency was uncomfortable in the moment and critical for maintaining organizational trust in the project long enough to see it through.
What Broke, and Why
The quality failure on the first production run was preventable. It came from spec documents that assumed the kind of contextual knowledge a three-year supplier relationship provides. That knowledge does not transfer automatically. It has to be documented explicitly. The corrective action was rebuilding the specs. The preventive action is building those specs before the first production run, not after.
The timeline was wrong from the start. Six months was not a conservative estimate that got disrupted by unexpected problems. Six months was an optimistic estimate made without accounting for second sample rounds, quality ramp time, or the learning curve on a product the supplier had never made before. Twelve to eighteen months is a more accurate expectation for a transition of this complexity. That number is harder to present to a board. It is also the correct number.
The hidden costs were not hidden in retrospect. Sourcing agent fees, sample costs, travel for one in-person visit in month 11, the defective inventory, the additional shipping costs from splitting production. These were all predictable categories of expense. They were not predicted, and they were not budgeted. Transitions have a cost structure. That cost structure should be modeled before the decision is made, not discovered during execution.
Communication gaps across time zones, language, and culture created friction throughout. Not failures. Friction. Slower resolution of issues than would have happened with a domestic supplier. Misunderstandings that required the agent to translate not just language but context. These are manageable, and the brand managed them. But the time they added to every problem was real.
The Financial Outcome, Clearly
| Period | Result |
|---|---|
| Year 1 (tariff savings $62K minus transition costs $93K) | -$31,000 |
| Year 2 (tariff savings minus normalized operations) | +$50,000 |
| Year 3 onward (annual tariff savings at scale) | +$62,000/year |
| Payback period | 18 months |
The transition was worth it. The financial case held. But it held over a three-year horizon, not a one-year horizon. Any founder or leadership team that evaluated this decision on year-one returns would have called it a failure. The right frame for sourcing diversification is always multi-year.
What They Would Do Differently
They were direct about this when we debriefed the transition.
Set a realistic timeline from the start. Twelve to eighteen months, communicated clearly to leadership and the board before the project begins. The credibility damage from a timeline that slips from 6 months to 14 months is worse than the discomfort of presenting a longer timeline at the outset.
Budget the transition explicitly, before it starts. They would have set aside $75,000 as a dedicated transition budget. Not absorbed into operational expenses. A named investment with expected returns modeled against it.
Invest ten times more in spec documentation before the first sample request. Not the specs that work with an established supplier who fills in the gaps. The specs that work with someone who has never seen the product and has no relationship to draw on. Every material. Every tolerance. Every process step where a shortcut is possible and unacceptable.
Hire the sourcing agent before sending the first sample request. They hired the agent after the supplier was selected. The agent should have been part of the selection process. Earlier involvement would have caught the material substitution risk before the first production run, not during it.
Frequently Asked Questions About Sourcing Diversification
How long does it actually take to move production to a new country? For simple to moderate complexity products, plan for 12 to 18 months from supplier selection to consistent quality production. Six months is an optimistic best case that rarely holds when quality ramp time and inevitable first-run issues are factored in.
What does sourcing diversification actually cost? For a transition of this scale, $75,000 to $100,000 in transition costs is a realistic budget. This covers sourcing agent fees, sample rounds, a test order, in-person visits, and a buffer for quality issues on early production runs.
Is sourcing diversification worth it? For brands with meaningful tariff exposure or concentration risk, yes, with a multi-year time horizon. Year one is rarely positive after transition costs. Year two and three are where the financial case becomes clear.
What is a China Plus One strategy? China Plus One is a supply chain approach where brands maintain existing Chinese manufacturing while adding a second production source in a different country, most commonly Vietnam, India, or Mexico. The goal is to reduce tariff exposure and concentration risk without abandoning proven supplier relationships.
What causes quality problems when moving to a new supplier? The most common cause is not supplier incompetence. It is underdocumented specifications that assume contextual knowledge the new supplier does not have. Processes and tolerances that an established supplier knows from years of relationship need to be made explicit in writing for a new partner starting from zero.
The May Sourcing Series: What We Covered
Four weeks on one of the most consequential decisions a growing DTC brand makes.
Week 1 challenged the China Plus One fantasy. Not because diversification is wrong, but because the version most founders imagine, clean, fast, and cost-neutral from day one, is not the version that actually happens.
Week 2 gave you the SKU-level sourcing scorecard. Which products are strong move candidates. Which should be dual-sourced. Which should stay put. The framework that prevents the wrong products from moving for the wrong reasons.
Week 3 covered the remote vetting process. The four-step framework, the ten questions, the red flags that are easy to miss when you are not standing on the production floor. Physical presence is not required. Process is.
Week 4 (this post) showed what the full thing looks like in practice. The timeline, the costs, the failures, and the outcome. Diversification works. It works on a longer timeline and with higher upfront costs than most presentations of the strategy suggest. Going in with realistic expectations is the difference between a transition that builds something durable and one that gets abandoned halfway through.
Coming in June: The NPD Reality Check
Sourcing is clearer. You know where to make things, how to find suppliers, and what a real transition looks like.
June we shift to how you launch new products without the decisions that sink most DTC brands before a product ever reaches a customer.
The NPD Reality Check: the product development process, the cost engineering decisions that happen before tooling is cut, the supplier conversations that determine whether a new product is profitable from day one or a margin problem from the start.
See you in June,
— Lara
Before you move a single SKU, make sure you know which ones to move.
The brand in this case study got the SKU selection right. Most don’t. I break down the 4-factor SKU sourcing scorecard, the 70/30 dual-sourcing model, and why treating sourcing as a brand-level decision instead of a SKU-level decision is where most China diversification strategies break down.
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