
What differentiates an e-commerce business that scales from one that simply generates more revenue? Almost always, it's not the acquisition channel or the chosen platform . It's the relationship between growth and operational efficiency; and this equation has been ignored by a significant portion of the Brazilian online retail market.
Growing inefficiently isn't just a financial risk; it's a self-deceptive strategy. This is because you increase GMV, increase orders, increase visibility, and at the end of the month, the margin doesn't sustain the next growth cycle.
Efficient E-commerce: What Really Matters
- Margin, not revenue, is the true indicator of health.An e-commerce business with R$10 million in revenue and a 2% net profit margin is in a more fragile position than one with R$3 million and an 18% margin.
- Sustainable growth requires controlled CAC and increasing LTV.Scaling paid media without optimizing retention. increases the acquisition cost without improving long-term returns;
- Operational efficiency starts with the product mix.Items with low average ticket prices and high logistics costs erode operations even before any campaign launches.
- Automation reduces unit cost as volume increases.Operations that rely on manual effort don't scale; they simply become more expensive.
- Inventory turnover rate directly impacts cash flow.Capital tied up in slow-moving SKUs limits reinvestment capacity;
- Fragmented data hinders decision-making.Without integration between the platform, ERP, and marketing channels, managers operate with incomplete information, and this is costly.
WHY GROWTH WITHOUT EFFICIENCY IS A STRUCTURAL PROBLEM
Between 2020 and 2022 , Brazilian e-commerce grew at an accelerated pace, and many operations were structured based on a scenario that did not hold up. According to ABCOMM, the sector registered 27% growth in 2021. But from 2023 onwards, with the normalization of consumption and the rise in interest rates, margins were intensely pressured.
According to an analysis by Banco Safra regarding the first quarter of 2026 , the e-commerce sector remains pressured by higher costs and a more intense competitive environment (even where revenue is growing). The projection for Magazine Luiza , for example, points to practically stable sales, with a 27 basis point drop in EBITDA margin and an estimated net loss of R$ 28 million. Mercado Livre, the leader in sector growth, is expected to register a lower operating margin compared to the previous year. Safra's own conclusion is straightforward: " growing revenue is no longer enough. "
The most common mistake has a simple structure: the company invests in top-of-funnel growth (paid media, influencers, marketplaces) without reviewing the efficiency of the layers below. The result is a funnel that attracts but doesn't convert well, that converts but doesn't retain, that retains but doesn't generate profit.
WHERE THE MONEY IS LOST
Most inefficiencies are not concentrated in a single point; they are distributed in layers that, individually, seem acceptable. Together, however, they compromise the outcome.
Acquisition cost without corresponding retention.
According to data compiled by Search Engine Journal and published by the E-commerce Brasil portal , the cost of customer acquisition in digital retail grew by 20% in a single recent annual cycle (while the cost per click rose by only 5%). The pressure on CAC, therefore, goes beyond media investment. During the same period, retention rates did not keep pace with this growth. The result is an operation that runs faster to stay in the same place.
An efficient operation monitors CAC (Customer Acquisition Cost) by channel and compares it to the LTV (Lifetime Value) of each customer group over time . Without this cross-referencing, it's impossible to know which channels truly generate value and which only generate volume.
Logistics as a silent villain
According to Routech , logistics can represent between 15% and 20% of gross revenue in Brazilian e-commerce (considering transportation, warehousing, redeliveries, reverse logistics, and losses due to delays). A large part of these costs doesn't appear clearly in the income statement: they are diluted across different areas, making it difficult to perceive the real financial impact . For operations with a low average order value, this burden can jeopardize profitability even before the gross margin is calculated.
Logistics efficiency isn't just about negotiating shipping costs . It's about defining a free shipping policy with criteria, regionalizing fulfillment, reducing return rates, and accurately monitoring the cost per delivery.
Technology that doesn't talk
Platforms like VTEX and Shopify have robust integration capabilities. However, many operations still work with disconnected e-commerce, ERP, and CRM platforms. This fragmentation leads to operational rework, delays in data analysis, and decisions based on incomplete information.
Technological efficiency doesn't begin with choosing the platform; it begins with mapping the processes that need automation and integration. Technology without a structured process only automates errors.
What can be considered efficiency in 2026?
Efficiency doesn't mean growing less. It means growing with the capacity to sustain the next cycle without depending on external investment or revenue growth to cover operational inefficiencies.
In practice, the most robust operations share some patterns: periodic review of the product mix based on contribution margin, active churn management in recurring customer bases, use of first-party data for personalization and CAC reduction, and automation of processes that previously consumed a large team.
Growth without profit is a cash flow problem waiting to happen. Efficient growth is sustainable scale.
Ultimately, this doesn't require an enterprise-level operation, but rather clarity about which drivers impact margins and the discipline to monitor them as frequently as revenue is monitored.
e-Plus has been operating for over 12 years as an e-commerce specialist, now as a martech company focused on platforms, digital marketing, and technology for online retail. Explore other content on our blog to further your strategy. And if your project needs a diagnosis now, talk to our team of experts ; we can map where the efficiency of your operation is being compromised.
FAQ
What does it mean to grow inefficiently in e-commerce?
Growing inefficiently means increasing revenue or order volume without a corresponding increase in operating margin. Operations expand, but net income deteriorates, whether due to high acquisition costs, disproportionate logistics, or a non-scalable operational structure.
How can I calculate if my e-commerce business is growing efficiently?
The starting point is to cross-reference revenue growth with the evolution of contribution margin by channel and by customer cohort. If CAC grows faster than the average LTV, and if the gross margin falls as volume increases, the operation is growing inefficiently (regardless of total revenue).
What is the impact of logistics on e-commerce efficiency?
Logistics represents between 15% and 20% of gross revenue in operations without active optimization. For low average order values, this cost can jeopardize profitability. Logistics efficiency involves a structured freight policy, regionalized fulfillment, and monitoring of the cost per delivery, not just negotiating rates with carriers.
Why is customer retention part of an efficiency strategy?
Retaining an active customer costs, on average, five to seven times less than acquiring a new one, according to established industry benchmarks. In operations with high CAC (Customer Acquisition Cost), retention is not just a CRM metric; it's a direct lever for financial efficiency that reduces pressure on media investment.