Why Every Small Business Should Be Using Email Marketing

Email marketing earns some of the highest return of any small business marketing channel because you already own the list, unlike social media, where the platform owns the audience and can change the rules on you overnight. That ownership, not any single tactic, is the actual case for email.

Key Takeaways

• Email marketing is commonly cited as returning $36 to $40 for every $1 spent, one of the highest reported returns of any digital channel, though the exact figure varies by study and industry.

• The core advantage is ownership. A social platform can change its algorithm, suspend an account, or lose relevance. An email list stays yours regardless.

• Email reaches people who have already chosen to hear from you, which is a fundamentally warmer audience than social reach or cold advertising.

• The businesses that benefit most are ones with repeat customers or a sales cycle longer than a single visit: service businesses, retailers, anyone selling something people rebuy or reconsider.

• Getting started costs little to nothing. Most small businesses can start with a free-tier email platform and their existing customer list.

Verdict: If you are not doing any email marketing, it is one of the highest-return, lowest-cost gaps in most small businesses' marketing. Start collecting addresses even before you have a plan for what to send.

The Actual Case for Email, Beyond "It Has Good ROI"

Ownership is the real advantage. Everything else follows from it.

Every social platform a business posts on is borrowed ground. The algorithm can change overnight, an account can be suspended without appeal, and reach to your own followers has been declining across platforms for years. An email list does not have that problem. The people on it are yours, reachable directly, on a channel nobody else controls the rules of.

That ownership is also why the return on email marketing is consistently reported as high as it is. Commonly cited figures put email marketing's return around $36 to $40 for every $1 spent, among the highest of any digital marketing channel, though the precise number varies by study, industry and list quality, and any provider quoting a single exact figure as universal is oversimplifying it.

Why Email Reaches a Warmer Audience Than Almost Anything Else

The audience already said yes once. That changes everything downstream.

Someone on your email list gave you their address on purpose, which means they already crossed a trust threshold that a stranger seeing an ad or a social post has not. That warmer starting point is why email consistently converts better than colder channels: you are not introducing yourself, you are following up with someone who already raised a hand.

Who Benefits Most From Email Marketing

Repeat business and longer sales cycles are where email does the most work.

Email marketing pays off fastest for businesses with repeat customers, retailers, restaurants, service businesses with recurring needs, or a sales cycle longer than a single visit, contractors, dentists, anyone whose customer takes time to decide or comes back periodically. A one-time transactional business with no repeat customer and no consideration period gets less out of email than these do, though even then, a single well-timed review request email can be worth setting up.

What It Actually Costs to Start

Close to nothing, which is part of why the ROI figures run so high.

Most small businesses can start with a free tier of a mainstream email platform, using a list of existing customers they already have contact information for. The real cost is not the software. It is the hour or two a month it takes to actually send something consistently, which is also where most small businesses fall down, not on tools or budget.

The Objection Worth Taking Seriously

"Nobody reads email anymore" does not hold up against the data, but it is worth addressing directly rather than dismissing.

Open and click rates on individual campaigns can look unimpressive next to the promise of viral social reach, and that comparison is exactly backward. Email does not need to go viral to work. It needs to reach the people who already chose to hear from you, reliably, on a channel you control. A modest, consistent email list that opens at 25% and converts a fraction of that will often outperform social reach that touches more people but converts almost none of them.

How We Researched This

Cross-checked the commonly cited ROI figure across several industry sources rather than repeating one number as gospel. The $36 to $40 per $1 figure appears across multiple major email platform providers' marketing materials, with the underlying methodology varying and not always disclosed.

We are citing it as a commonly reported industry range rather than a single verified figure, and noting that any provider presenting one exact number as universal fact is being less careful than the underlying research supports.

Latest Updates

Last updated 28 August 2026.

New article, built to make the case for starting email marketing before the tactical execution guide. See our companion piece on email marketing best practices for the how-to once the decision to start is made.

Frequently Asked Questions

Is email marketing still effective in 2026?

Yes. Reported returns remain among the highest of any digital marketing channel, and the core advantage, owning your audience rather than renting reach from a social platform, has not changed.

What kind of small business benefits most from email marketing?

Businesses with repeat customers or a longer decision period: retailers, restaurants, service businesses with recurring needs, and anyone whose customer takes time to decide. One-time transactional businesses get less from it but can still benefit from targeted use like review requests.

How much does email marketing cost to start?

Often nothing to start. Most small businesses can begin with a free tier of a mainstream email platform and their existing customer contact list. The real cost is the consistent time it takes to send, not the software.

What's the difference between this page and your email marketing best practices guide?

This page makes the case for why to start. Our email marketing best practices guide covers the specific tactics once you have decided to.

Start Collecting Addresses Today

You do not need a full strategy to start. Add a signup field to your website and start collecting addresses from customers who already trust you, then figure out what to send.

When you are ready for the how-to, our email marketing best practices guide picks up from here. LET'S TALK

This article reflects RedFork Marketing's operating experience across 800+ Partner engagements since 2014, current as of August 2026, alongside commonly cited industry ROI figures. It is not a guarantee of return; results depend on list quality, industry and consistency of sending.