Where is your marketing budget going? The most common waste patterns in Latin American SMBs

Series: Decisions that move the needle: Article 3 of 10

In Latin America, micro, small, and medium-sized enterprises are not just a sector: they are the entire fabric. They represent 99.5% of companies, employ 60% of the employed population, and generate nearly 25% of regional GDP (IDB, 2020). And over the past decade, that fabric turned to digital marketing: according to EMARKETER's forecast, in 2025, 56.4% of total ad spend in the region is allocated to digital formats (EMARKETER, 2025).

That shift made sense (it is where the audience is), but it brought a new problem that few SMBs grasp: the digital budget is the hardest to audit from the inside. Spend fragments into dozens of campaigns, formats, and platforms; platform metrics measure "interactions," not customers; and the result is an expense that grows without anyone being able to point out exactly which part works and which part evaporates.

The good news is that waste is not a mystery: when the industry was measured with rigor, the patterns emerged in plain sight. This article walks through the five most common patterns in SMBs across the region and provides an audit procedure to find them in your own budget.

What industrial measurements show

Before diving into the patterns, three context points that set the baseline for the conversation.

Budgets are not abundant. According to Gartner's annual survey, marketing budgets flatlined at 7.7% of total company revenue in 2025, and 59% of CMOs report not having enough budget to execute their strategy (Gartner, 2025). In an SMB, where the marketing budget competes with payroll and inventory, that scarcity is even more acute. The practical takeaway: it is not about investing more, but about stopping what has already been invested from leaking out.

A portion of the money simply does not reach real people. Juniper Research estimated that ad fraud would cost advertisers US$84,000 million in 2023 (around 22% of the US$382,000 million spent on online advertising that year), and projects the figure to reach around US$170,000 million by 2028 (Marketing Brew citing Juniper Research, 2023; Juniper Research, 2023). Bot clicks, fake installs, and traffic farms charge your campaign without anyone on your team noticing.

And another portion arrives, but to no one useful. The ANA (Association of National Advertisers) transparency study on the open programmatic supply chain analyzed an ecosystem of US$88,000 million and concluded it was "rife with waste," with up to US$20,000 million in recoverable efficiencies (ANA, 2023). In the detailed measurement, only 36% of analyzed spend reached brand-safe, measurable, viewable impressions outside "made for advertising" (MFA) sites: pages created to capture ad spend without a real audience (TAG TrustNet on ANA, 2023).

Applied to an SMB: for every 100 pesos entering the programmatic system, a significant portion is lost to fraud and another to low-quality inventory. And that is just the technical layer. The business decision patterns that follow usually cost more than the fraud itself.

The 5 most common waste patterns in SMBs

Pattern 1: investing by trend, not by customer

The channel of the moment absorbs budget without having passed the basic question: are our customers here, and do they buy here? The classic symptom is timing coincidence: the company starts investing in a channel two months after that channel became a trend on LinkedIn. The fix is not refusing to test: it is testing with a limited experimentation budget and exit criteria defined before starting, instead of migrating the entire budget to every novelty.

Pattern 2: campaigns without return measurement: money goes into a black hole

The most expensive pattern is not the wrong decision: it is the inability to distinguish the right decision from the wrong one. When no one can tell which campaign produced which sales, every budget discussion is settled by intuition or by whoever shouts the loudest. In SMBs, this appears with an observable symptom: the monthly report shows platform metrics (impressions, clicks, reach) and does not show a single business figure (inquiries, cost per customer, margin generated).

Pattern 3: over-investing in the comfortable channel

Every company has its comfort channel: the one it already knows how to operate, the one that reports to the owner. That comfort zone tends to absorb budget out of inertia long after it has stopped performing. The way to detect it is to compare the budget distribution against the return distribution: if a channel concentrates most of the spend but the team cannot attribute most of the new customers to it, there is a hidden over-investment there.

Pattern 4: invisible technical expenses (fraud and low-quality inventory)

As the data from Juniper and the ANA cited above show, a structural fraction of digital spend is lost to fraud and MFA inventory. No one decides this: it happens by default. The basic defenses are operational, not costly: exclude low-quality website categories, monitor traffic spikes without conversion, review the geography and times of clicks, and periodically audit where visits from paid campaigns are coming from.

Pattern 5: agencies and fees misaligned with results

It is not that "agencies are the problem." It is that the contract usually rewards spend (a fixed fee, or worse, a percentage of media spend) instead of results. With flatlined budgets, as Gartner shows, every peso of fees not tied to a business metric is a peso that competes directly with media spend. The solution is not shifting the risk onto the provider, but defining 2–3 shared metrics (cost per qualified inquiry, cost per customer) and reviewing them together every month.

Diagnostic table: where to look in your budget

How to audit your budget in 4 steps (one week of work)

1. Build the flow map. List every marketing expense line from the last quarter: platform, provider, amount. If there are lines no one can explain, you have already found your first finding.
2. Assign each channel its business metric. Inquiries, customers, and cost per customer by channel. Where the metric does not exist, record "not measurable": that is not a flaw of the channel, it is a pending measurement project.
3. Calculate concentration. Rank channels by spend and by customers generated. The large divergences are your prioritized list of corrections: that is where the money is.
4. Adjust objectively, not in the heat of the moment. Reallocate budget using rules agreed upon in advance (for example: the channel with a cost per customer higher than average for two quarters concedes a fifth of its budget to the top performer). Pre-established rules prevent reallocation from turning into an ego battle.

The right mindset

Budget waste is not solved with more creativity or more volume: it is solved with visibility. Industry data is clear (fraud on the order of 22% of global online spend according to Juniper, only 36% effective reach in programmatic according to the ANA, flatlined budgets according to Gartner), but none of those figures improve as long as each company cannot answer its own question: how much of my investment reached a real customer, and how much got lost along the way? That question, asked every month with numbers, is the difference between doing marketing and incurring marketing expenses.

Sources consulted

1. Inter-American Development Bank (2020). MSME Financing Instruments in Latin America and the Caribbean during COVID-19 (Herrera, D. et al.). Accessed October 14, 2026: https://publications.iadb.org/en/msme-financing-instruments-in-latin-america-and-the-caribbean-during-covid-19
2. EMARKETER (2025). Digital ads in 2025: What Latin American marketers should know. Accessed October 14, 2026: https://www.emarketer.com/content/digital-ads-2025-what-latin-american-marketers-should-know
3. Gartner (2025). 2025 CMO Spend Survey (press release, May 12, 2025). Accessed October 14, 2026: https://www.gartner.com/en/newsroom/press-releases/2025-05-12-gartner-2025-cmo-spend-survey-reveals-marketing-budgets-have-flatlined-at-seven-percent-of-overall-company-revenue
4. ANA (2023). ANA Provides "First Look" at In-depth Programmatic Media Supply Chain Transparency Study (June 19, 2023). Accessed October 14, 2026: https://www.ana.net/content/show/id/pr-2023-06-programmaticstudy
5. TAG TrustNet / Fiducia (2023). Summary of the ANA Programmatic Transparency Study 2023. Accessed October 14, 2026: https://www.fiducia.eco/anastudy1
6. Marketing Brew (2023). Advertisers will spend $84 billion on ad fraud this year: report (citing Juniper Research). Accessed October 14, 2026: https://www.marketingbrew.com/stories/2023/10/05/advertisers-will-spend-usd84-billion-on-ad-fraud-this-year-report
7. Juniper Research (2023). The Global Cost of Ad Fraud. Accessed October 14, 2026: https://www.juniperresearch.com