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How to Build a Product-First Growth Engine #586

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Why product-first mentality still wins in a world obsessed with AI and growth hacks, and how brands like Ecosa build long-term advantage.

It’s probably not the sexiest thing to say in ecommerce right now, but product-led growth is quietly doing what it’s always done: outperforming the hype cycles.

While most conversations are wrapped up in AI, content hacks, clever creatives or customer service workflows, the brands that keep showing up year after year tend to share one unglamorous trait. They make consistently good products. And they’re willing to make uncomfortable decisions to protect that standard.

Today’s Playbook dives into product-led ecommerce through the lens of founders who treat product not as a department, but as the operating system of their business. Brands that don’t ignore marketing or growth, but refuse to let either compensate for mediocre products.

At the centre of it is Ecosa’s founder Ringo Chan, who may be the most product-obsessed guest Add To Cart has hosted so far.


When “Launch and Iterate” Isn’t Good Enough

Ecosa’s approach to product development doesn’t leave much room for ego or sunk cost fallacy.

Ringo shared a story about a new sleep earplug product that took 15 months to develop. Lab testing looked promising. The data stacked up. Photography was done. The product was ready to ship. But when a limited group of customers tested it in the real world, the feedback didn’t match the promise.

So Ecosa scrapped it. Entirely.

Fifteen months of work. Thousands of units written off. No soft launch. No clearance sale. No “we’ll fix it later”.

For Ringo, product quality isn’t a nice-to-have. It’s a survival mechanism. If a product doesn’t meet customer standards, it doesn’t ship. Not because it’s philosophically pure, but because the long-term cost of disappointing customers is far higher than the short-term pain of delaying revenue.

That mindset extends beyond launches. Reviews, return rates and guarantees aren’t treated as marketing signals at Ecosa; they’re product diagnostics. If customers aren’t willing to leave reviews, or if return rates creep up, the conclusion isn’t to ask harder or sell louder. The conclusion is that something is wrong with the product.

In this model, conversion rate is an outcome. Product correctness is the cause.

Blind Testing: the Ultimate Reality Check

That same product-first discipline shows up in a very different category with Heaps Normal.

On the surface, it would be easy to assume the success of Heaps Normal’s non-alcoholic beer comes down to branding. The cans look good. The storytelling is strong. The positioning is clear.

But before any of that existed, Andy Miller and his team validated the only thing that really mattered: whether the beer was good enough without the label.

They ran blind taste tests against full-strength beers. No brand. No context. No narrative. Just liquid versus liquid. Not only with industry experts, but with people who actually sat in their target demographic, like touring musicians looking for an alternative to drinking every night.

The result was telling. Many couldn’t tell the difference between alcoholic and non-alcoholic. Some even preferred the non-alcoholic option.

The lesson is uncomfortable but simple. If a product needs its branding to succeed, it probably won’t scale on retention. Blind testing strips away the story and exposes whether a product can genuinely stand on its own.

From Product Like to Product Joy

Karen Lawson from Nontre adds another layer to the conversation, especially for brands trying to expand beyond a single hero SKU.

Karen draws a sharp distinction between customers who like a product and customers who feel joy using it. Liking a product drives repeat purchases out of necessity. Joy builds trust.

That trust is what allows customers to follow a brand into new categories. Without it, cross-sell and range expansion become mechanical and fragile. With it, customers are far more open to trying something different under the same brand umbrella.

The practical takeaway for ecommerce teams is to stop treating all SKUs equally. Somewhere in the catalogue is a “joy SKU”: not necessarily the bestseller or the highest-margin product, but the one customers rave about without being prompted.

That product becomes the real acquisition engine. Not because it’s pushed harder, but because it earns the right to introduce the rest of the range.

Why Sometimes You Have to Kill Revenue to Protect the Brand

The final example in the Playbook comes from Vic Gigliotti at Muscle Republic, and it mirrors Ringo’s discipline almost exactly.

Muscle Republic delayed an entire tights launch (four months of revenue) because the fabric didn’t meet their internal standard. For Vic, the non-negotiable was feel. If it wasn’t “buttery”, it didn’t ship.

In ecommerce, where inventory turnover and cash flow are constant pressures, that’s a brutal call. But in a crowded activewear market, Vic understood that consistency was the moat. Compromising on the one attribute customers associate with the brand would cost more in trust than it would save in short-term sales.

The lesson here is universal: Every brand needs to define its non-negotiable product attribute, whether that’s feel, flavour, durability, finish or performance, and make sure the entire team understands it. When that standard slips, even slightly, the right move may be to pause, not push.


Across Ecosa, Heaps Normal, Nontre and Muscle Republic, a clear pattern emerges.

Product-first growth isn’t about ignoring marketing, speed or innovation. It’s about refusing to let them mask weaknesses. These brands test without ego, delay without fear, and listen to customers even when the feedback hurts.

In a market where attention is fleeting and competition is relentless, consistently good products still do what they’ve always done. They build trust. They earn repeat purchases. And they make everything else in the business work a little easier.

That might not be the most exciting growth story. But it’s still the one that lasts.


In this Playbook:

  • Why product-led ecommerce still wins long-term
  • Treating product quality as the growth engine
  • Killing launches that don’t meet customer standards
  • Validating quality through blind testing
  • Using reviews and returns as product signals
  • Moving customers from product like to product joy
  • Defining and protecting non-negotiable quality standards
  • How product obsession creates a durable ecommerce moat

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Nathan Bush
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Nathan Bush is the host of Add To Cart and the founder of the Add To Cart Community, a space where ecommerce leaders, managers and operators come together to share ideas, learn from each other and access practical resources. With a background in ecommerce and digital strategy, Nathan is known for cutting through the noise to surface insights that help teams build and grow better online businesses.

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