The Sales Channel That Made You Successful Can Also Hold You Back

"Excuse me! Before you head to your gate, how would you like the chance to drive home in this Porsche?"

If someone had stopped you with that question at Heathrow Airport in 1999, you probably wouldn't have stopped for a second conversation. It sounds exactly like the sort of line people instinctively file under 'too good to be true.'

But as unbelievable as it sounded, that was exactly the pitch.

William Hindmarch parked a black Porsche in the middle of Heathrow's terminal, invited travelers to buy raffle tickets, and discovered that a busy airport could double up as a remarkably effective customer acquisition channel. The idea travelled well beyond Heathrow, expanding across major airports throughout the UK and remaining there for almost twenty years.

Then Hindmarch made a decision that confused almost everyone else. He killed the very channel that had helped build the business, closing most airport kiosks as BOTB shifted online. The decision looked odd until the new numbers arrived. Within six months, revenue had climbed 28.5% and adjusted profit was up 14.7%.

He saw something, no one else even thought about- the market was changing.

Years later, a Redditor found himself standing at the same crossroads thinking:

"How do you decide when it's time to stop investing in a marketing channel and focus somewhere else?"

Signs your sales channel has reached its growth ceiling

A sales channel can reach its practical ceiling while the revenue graph is still climbing. That is what makes this problem so easy to miss.

Do you think anyone wants to question a channel that is still bringing in orders? That too, when the dashboard confirms that everything is working just fine. But that is where trouble often begins.

A marketplace may continue delivering sales, but the next customer may become more expensive to win. As acquisition gets harder, businesses often respond by putting more money behind customer acquisition. As a result, marketing budgets keep swelling, and the operational effort required to keep things running starts eating into the value of that additional growth.

As one Redditor explained while discussing the challenge of scaling paid acquisition:

“The first dollars grab the highest-intent people. When spend scales, you’re reaching colder segments, so the math stops being linear. At that point, it’s less about doubling results and more about whether the added volume is still profitable!”

This is where the difference between growth and efficient growth starts to become visible. A retailer might pour more money into marketplace advertising and see sales increase, yet the number of first-time buyers might remain static.

Then comes the attribution question that makes many channel reports uncomfortable. Imagine a customer discovering your product through an Instagram ad, reading reviews on Google, comparing prices on Amazon, and finally placing the order on the retail store because they already have Prime membership. Which channel deserves credit?

The marketplace records the sale, but it may have closed a customer who had already made up their mind. A high-revenue channel can look impressive while contributing very little incremental demand.

The same thing can happen after the sale. If customers from a particular channel generate unusual return rates or require more support, the original order value starts hiding the real cost of that acquisition.

On paper, the channel looks good, but that should not stop you from asking, "What else we might be losing by sticking to this channel?”

The hidden costs of expanding a mature channel

“At what point does more ad spend stop being worth it and start being a way to avoid a harder decision?”

A Redditor asked this question, but nobody could answer with conviction. The silence screams loudly that there is no definitive line or threshold. And that stops you from ditching a proven but saturated channel, oblivious to the fact that the channel you may have built your name on now consumes more resources without creating the same return.

A marketplace listing may begin as a product page and a price. But as the catalog grows, keeping listings accurate and aligned with platform requirements can become a responsibility of its own. The platform fee is the most visible part of that cost. Amazon, for instance, charges a referral fee in the range of 8–45% depending on the products. Yup, 45% of revenue, not even profits!

Similarly, a retail partnership may look attractive at the start but supporting that growth often requires additional investment before the expected returns arrive. The same thing can be said about dealer networks. Managing more partners creates a larger coordination burden across teams and systems.

That is why revenue alone cannot explain whether expansion is working. The real calculation begins after every cost required to support the channel is included:

Contribution margin = Revenue − product cost − channel fees − advertising − fulfillment − returns − support − technology − time spent managing the channel

Once you realize a channel is no longer viable to scale further, the pressure to find another growth lever begins. Then comes the obvious question: “If one channel is not viable to scale, why not simply add another?”

When more sales channels create more problems

Adding more channels often feels like the obvious answer once an existing one becomes harder to scale.

The logic seems simple: a new marketplace, retail partner, or sales route should put the product in front of more buyers. The difficulty begins when those customers move through different buying paths and the business loses a clear view of what is driving the sale.

One Reddit marketer discovered how quickly that complexity can appear:

"Last month we discovered a massive blind spot: customers who see our CTV ads, then convert in-store. Our offline sales team mentioned several people specifically referenced that streaming ad, but zero attribution flowed back to our CTV spend. Now I'm questioning if we're missing 20–30% of our actual influence."

The advertising campaign influenced the purchase, but the reporting system simply failed to connect the two.

The same disconnect appears in the customer experience. A marketplace promotion may l put retail partners in a difficult position by offering the same product at a lower price. Customers buying through another channel may also receive different information about the product.

The operational picture can become just as fragmented. When customers purchase through different channels, they should receive the same understanding of their protection coverage and the support available after purchase. Platforms like SureBright help merchants maintain a consistent protection experience across channels, reducing confusion when customers need assistance.

That leaves one decision that matters more than adding another channel: deciding where the business should put its weight next.

Which channels still deserve your attention?

The answer starts with a decision most channel reviews avoid: stop treating every channel as if it has to keep growing.

A mature channel can have a smaller job. It might retain customers who prefer that route. It can support a market where it still has an advantage. Its value can also come from strengthening another part of the sales mix. Once that role is clear, the pressure to keep chasing higher sales starts to make less sense.

That is where the channel mix becomes more useful than a channel ranking. A website may be the place customers return to. Retail may be where a product finally makes sense in person. A marketplace may simply make the purchase easier for someone who already knows what they want. Each route can contribute without competing to become the biggest one.

BOTB's decision fits that picture. Hindmarch did not need to prove that airport kiosks had stopped working. He needed to decide what place they deserved in the company's next chapter.

Just like Hindmarch, you also have to ask yourself: which sales channel has the power to take your company where it needs to go next?