Affiliate marketing: benefits, risks and how to use it

Affiliate marketing is not new.

And yet, in 2026, it remains a highly relevant channel, especially for ecommerce businesses and brands that want to grow without increasing media risk in an uncontrolled way.

The model is simple: a partner promotes a product or service and receives a commission when they generate a measurable action, such as a sale, a lead, or another agreed conversion.

That is the short answer for anyone searching for affiliate marketing how it works or how affiliate marketing works.

The more useful answer, though, is slightly more layered.

Because today the channel is no longer made only of coupons, cashback, and comparison websites.

‍Affiliate marketing now includes creators, editorial media, review websites, newsletters, vertical communities, comparison platforms, loyalty programmes, and content that can also influence discovery across search engines and AI environments.

Not by chance, EMARKETER estimates that affiliate marketing spend in the US will reach $13.81 billion in 2026, growing from 2025.

The channel is growing. But so is its complexity.

The main benefit: you pay for a result

The first benefit of affiliate marketing is clear: the cost is linked to an action.

For an ecommerce brand, this is interesting because it shifts part of the investment towards a model that is closer to performance than campaigns based only on impressions, clicks, or reach.

In theory, the risk is more controlled. You are not simply paying to "be seen".

You pay when the partner contributes to generating a result.

This logic makes affiliate marketing useful especially when paid media costs rise, attribution becomes less linear, and brands look for channels that can maintain a more direct relationship between investment and return.

Careful, though: paying for a result does not automatically mean paying only for incremental value.

And this is where the real risks begin.

Affiliate marketing and ecommerce: where it can create value

For an ecommerce business, affiliate marketing can create value in several ways.

It can bring qualified traffic from partners that are already trusted within a specific niche.

It can help cover commercial searches such as reviews, comparisons, “best products”, discount codes, alternatives, and buying guides.

It can support new product launches through creators or editorial content.

It can open partnerships that would be hard to build through traditional advertising alone.

In this sense, the channel should not be seen only as a way to get conversions “on commission”.

It should be seen as a distribution network.

If the programme is built well, affiliate marketing can intercept users at different stages of the funnel: discovery, evaluation, comparison, price research, and final purchase.

The risk begins when everything is measured only on the last click.

If you only reward the partner that appears at the end, you risk overvaluing those who capture demand that was already ready to convert, while undervaluing those who helped create that demand earlier.

Creators and affiliate: why the channel is changing shape

One of the most important changes concerns the relationship between affiliate marketing and the creator economy.

More and more creators do not want to be paid only for publishing sponsored content.

They also want to participate in the commercial result.

For brands, this can be interesting because it turns a creator collaboration from a simple awareness activity into something closer to performance.

A creator can explain a product, show it in use, build trust, and send trackable traffic to the website.

The point is that not all creators are useful in the same way.

A large creator may generate a lot of visibility but few conversions.

A micro creator may generate less traffic, but higher quality.

A vertical creator may have a stronger impact on consideration than a generalist profile with larger numbers.

Awin identifies the growth of micro creators and the demand for more trusted voices among its 2026 affiliate trends, precisely because the channel is moving from pure commercial intermediation towards a more credible relationship with specific audiences.

So the useful question is not only: how much traffic does this partner bring?

It is: what role does this partner play in the user’s decision journey?

The hidden benefit: content that works beyond the click

In 2026, affiliate marketing has another benefit: it produces content.

Reviews, guides, comparisons, videos, newsletters, rankings, and creator content can influence how a brand is discovered, evaluated, and compared.

This matters even more in a context where search no longer happens only on Google.

Users look for recommendations on TikTok, YouTube, Reddit, newsletters, comparison websites, marketplaces, and increasingly in AI environments.

EMARKETER notes that affiliate content can also become relevant for generative engine optimization, because reviews, shopping guides, and comparative content can contribute to AI-assisted discovery journeys.

This does not mean that opening an affiliate programme is enough to be mentioned in AI answers.

It means that partner-generated content can increase brand presence across more points of the information journey.

That is why evaluating affiliate marketing only through last click is increasingly limited.

Risk number one: tracked sales are not always incremental

The biggest risk in affiliate marketing is confusing performance with incrementality.

A tracked sale is not always a new sale.

If a user had already decided to buy and only searches for a discount code before checkout, the partner that intercepts that final step may receive a commission without having truly generated new demand.

This does not mean that coupons, deals, and cashback are useless.

It means they need to be governed.

They can be effective for increasing conversion rate, reactivating undecided users, supporting seasonality, or managing promotional moments.

But if they become the core of the programme, the risk is paying commissions on sales that would have happened anyway.

The question to ask is simple: is this partner creating value or only capturing value that already existed?

Risk number two: tracking and attribution are more fragile

The second risk concerns measurement.

Affiliate marketing depends on tracking: links, cookies, codes, platforms, attribution windows, and commission models.

But the user journey is increasingly fragmented.

A person may watch a creator video, search for reviews on Google, ask an AI assistant for a comparison, enter from mobile, come back from desktop, use a discount code found elsewhere, and complete the purchase days later.

Attributing everything cleanly is harder.

Awin includes tracking reliability and the impact of LLMs on purchase behaviour among the key challenges for 2026, two topics that directly affect the ability to understand how much value each partner is really generating.

For this reason, the affiliate report should not be treated as absolute truth.

It should be cross-read with other data: analytics, CRM, new customers, margin, return by product category, and post-purchase behaviour.

Otherwise, the risk is optimising the channel around the easiest metric to see, not the most useful one for the business.

Risk number three: less control over the message

An affiliate programme opens the brand to a network of external partners.

That is the benefit.

And also the risk.

If partners are not selected and monitored properly, problems can emerge around tone of voice, claims, commercial promises, price positioning, use of codes, creative assets, outdated offers, or content that is not aligned with the brand.

The more the programme grows, the more governance is needed.

It is not enough to approve partners at the beginning and then forget about them.

Clear rules are needed around:

• approved claims;
• use of the brand name;
• discount codes;
• creative and assets;
• prohibited content;
• excluded categories;
• disclosure.

Without these rules, affiliate marketing can generate sales in the short term and reputational issues in the medium term.

Risk number four: transparency and disclosure

Transparency is not a legal detail to hide at the bottom of a contract.

It is part of the channel’s sustainability.

If a creator, publisher, or partner receives a commission, benefit, or incentive to promote a product, that commercial relationship must be clear to the user.

In Italy, AGCOM states that promotional content must be immediately recognisable as advertising, including cases such as affiliations and discount codes.

For a brand, this means compliance cannot be delegated entirely to the partner.

The programme needs guidelines, practical examples, checks, and monitoring.

Not only to avoid regulatory issues. Also because transparency affects trust.

When affiliate marketing really makes sense

Affiliate marketing makes sense when three conditions exist.

First: the product has a clear proposition.

If the brand is not competitive, if the price is out of market, or if the landing page does not convert, affiliate does not solve the problem. It just distributes it to more people.

Second: there is enough margin to pay sustainable commissions.

The channel only works if CPA, average order value, margin, and repurchase cycle make economic sense.

Third: the brand is willing to manage the programme as a partnership, not as a list of links.

Partner recruitment, onboarding, materials, rules, quality control, performance analysis, commission optimisation, and incrementality analysis are all needed.

When it risks not working

Affiliate marketing risks not working when it is used as a shortcut.

This often happens in cases such as:

• poorly performing website;
• margins that are too low;
• unreliable tracking;
• weak commercial offer;
• too many partners approved without control;
• excessive dependence on coupons and cashback;
• unclear goals across awareness, leads, and sales;
• no rules on creative, claims, and disclosure.

The channel does not fix a weak strategy by itself.

It can only amplify it.

And amplifying a weak strategy usually means making it more expensive.

How to build a stronger affiliate programme in 2026

In 2026, an affiliate marketing programme should start less from the question “how much commission should we offer?” and more from a strategic question: what type of value do we want to generate?

If the goal is to acquire new customers, the programme should reward partners that bring new users, not only those who intercept people who were already buying.

If the goal is to increase organic reach and consideration, the work should involve creators, publishers, and editorial content.

If the goal is to support seasonal promotions, coupons and deals can make sense, but only with precise rules.

If the goal is to cover comparisons and reviews, vertical partners and high-quality content are needed.

A mature programme distinguishes between conversion partners, content partners, creators, loyalty partners, coupon partners, comparison sites, and technology partners.

And it measures each of them based on what they are actually supposed to do.

Affiliate marketing, SEO, and AI search: where they meet

There is also an increasingly important point: affiliate marketing can connect with SEO and AI search.

Content published by editorial partners or creators can intercept commercial queries, reviews, comparisons, and high-intent questions.

It can influence brand perception before the user reaches the website.

It can contribute to presence in ecosystems where users are looking for recommendations, not just results.

For this reason, anyone building an affiliate marketing strategy that actually works should also connect it to content, SEO, reputation, and demand control.

Affiliate marketing no longer lives in a separate corner of the marketing mix.

It intersects with creator strategy, content marketing, search, ecommerce, and the customer journey.

Benefits and risks: the right balance

Affiliate marketing in 2026 offers real benefits:

• cost closer to the result;
• access to active partners and audiences;
• support for content, creators, and comparisons;
• full-funnel potential;
• more controlled scalability than other paid channels.

But it also brings concrete risks:

• fragile attribution;
• sales that are not always incremental;
• dependence on coupons and last click;
• limited control over the message;
• disclosure and compliance issues;
• highly uneven partner quality.

So the point is not deciding whether affiliate marketing is "good" or "bad".

The point is understanding whether the brand has the conditions to use it well.

In summary: affiliate marketing works when it is not treated as a shortcut

In 2026, affiliate marketing can be a useful channel for ecommerce businesses and brands that want to grow with a more performance-oriented model.

But it only truly works when it is designed with care.

It needs clear goals, selected partners, commercial rules, content quality control, transparency towards users, and a smarter reading of incrementality.

The mistake is thinking that opening a programme is enough to wait for sales.

The reality is less convenient, but more useful: affiliate marketing works when it becomes a partnership strategy, not a place to park commissions.