What to Sell Online to Make Money

Let's get something out of the way first. There is no magic list of products that guarantees you'll make money online. Anyone selling you that idea — usually attached to a £997 course — is selling you the idea of selling, not the reality of it.

What there is, however, is a clear framework for thinking about what to sell online, a set of product categories that consistently perform well, and some honest guidance on which routes are worth your time depending on where you're starting from. That's what this guide is here to give you.

And at the end, if you're ready to stop reading and start doing, there's one resource that will take you from zero to launched in seven days. But more on that in a moment.

Why most people get stuck before they even start selling online

The problem isn't a lack of options — it's the opposite. Search "what to sell online to make money" and you'll get hundreds of lists, each one confidently telling you to sell phone cases, or print-on-demand t-shirts, or digital downloads, or handmade candles. Most of those lists were written by people who have never actually sold any of those things.

But here's the truth that most of those lists won't tell you: there is no wrong product decision. The only wrong decision is making no decision at all. The people making thousands of pounds a month online are not smarter than you, they didn't find a secret product, and they didn't wait until they felt ready. They picked something, started, and figured it out as they went.

Inaction is the only thing standing between where you are now and an online income. Not the wrong product. Not the wrong platform. Not the wrong moment. Inaction.

What actually makes a product worth selling online?

Before getting into specific categories, it's worth understanding what makes a product commercially viable. The best products to sell online tend to share a few characteristics: they solve a specific problem, they have a clear and reachable audience, they're not dominated by large retailers with unlimited ad budgets, and they have a margin that actually works once you factor in platform fees, shipping, and marketing costs.

Margin is the one people underestimate most. A product that sells for £30 but costs £22 to source, package, and ship — before you've spent a penny on traffic — is not a business. It's a very time-consuming hobby.

Do this today: Before you go any further, open a spreadsheet and run the numbers on one product idea. What would it cost to source or create? What would you charge? What platform fee would apply? What's left? If the answer is uncomfortable, that's useful information — and it took you 20 minutes to find out rather than three months.

The product categories that consistently work

Digital products — This is, by a significant margin, the highest-margin category available to an individual seller. Ebooks, templates, guides, Lightroom presets, Notion dashboards, online courses, Canva templates — once created, they cost almost nothing to deliver. The challenge is standing out in a crowded space, which means the product itself needs to be genuinely better or more specific than what's already out there. Vague, surface-level digital products don't sell. Specific, actionable ones do.

If you've never created a digital product before and aren't sure where to start, the free Odessa guide on AI-driven ecommerce is worth downloading first — it'll show you how to use the tools that make creating and launching a digital product far faster than you think.

Handmade and personalised products — Platforms like Etsy have made it genuinely viable to build a real business around handmade or personalised goods. Jewellery, home décor, wedding stationery, personalised gifts — these categories have strong and consistent demand. The advantage here is differentiation: a handmade product with a clear story and a defined aesthetic is much harder to undercut than a generic item. The challenge is scaling your time.

Useful resource: Etsy's Seller Handbook is one of the most practically useful free resources available for anyone thinking about selling on Etsy. Read it before you list your first product.

Niche physical products — Not general merchandise. Niche. A store that sells "outdoor equipment" is competing with Amazon. A store that sells gear specifically for wild swimmers, or products for people who keep backyard chickens, or accessories for a specific dog breed — that's a different game. Niche physical products allow you to build an audience, dominate a small corner of search, and charge a premium because you actually understand the customer.

Do this today: Go to Google Trends (trends.google.com) and type in three niche product ideas you've been considering. Look at the 5-year trend line. Is the interest growing, stable, or declining? That one check will tell you more than most paid courses about whether an idea has legs.

Print-on-demand — Lower risk than holding inventory, but also lower margin and lower differentiation. Print-on-demand works when the design is the product — when you have a genuine creative angle, a strong brand voice, or an audience that already exists. It doesn't work when you're just uploading generic slogans and hoping for the best.

Useful resource: Printful's free getting started guide is a solid, no-nonsense introduction to how the model actually works end to end.

Dropshipping — The most written-about model online, and the one with the widest gap between how it's sold and how it actually works. Dropshipping can work, but the era of finding a random product on AliExpress and building a profitable store around it with Facebook ads is largely over. What does work is dropshipping within a niche you understand, with reliable suppliers, good product margins, and a genuine marketing strategy. It's a business model, not a shortcut.

Your own expertise — Often overlooked, almost always undervalued. If you know something deeply — a skill, a process, an industry — there is probably a version of that knowledge that other people will pay for. Coaching, consulting, done-for-you services, templates built from real experience. This is one of the fastest routes from zero to income because you're not competing on price — you're competing on knowledge.

What about trending products? Should you chase them?

Trend-chasing can work, but it's a short game. If you spot a trend early and move fast, you can generate real revenue — but you need to be ready to move on when it fades, and the window is usually smaller than it looks. The more durable approach is finding a category with consistent, evergreen demand and building something that compounds over time: a brand with an audience, a store with strong SEO, a product with genuine reviews and word of mouth.

Do this today: Search your product idea on Google with the word "best" in front of it — "best wild swimming gear UK", "best personalised gifts for dog owners". If multiple specialist retailers come up (rather than just Amazon and Argos), that's a sign the niche has enough demand to support a focused store.

A checklist for choosing what to sell — use this before you commit

Stop collecting ideas and start evaluating them. Run every product idea through this list before you spend a penny:

• Is there clear, searchable demand for this product or the problem it solves?
• Can I reach the audience through SEO, a platform algorithm, social media, or ads — and do I have the skills or budget to do that?
• What's my realistic margin after all costs?
• Is there existing competition? (Some competition is good — it proves the market exists)
• Can I differentiate — through niche, brand, quality, or story?
• Can I test this with a small investment before going all in?
• Could this product evolve into a range, a brand, or a community over time?

If you can answer yes to most of these, you have a viable starting point. You don't need a perfect product. You need a good enough product and the discipline to launch it.

The honest answer about passive income

Yes, some online selling models are more passive than others. Digital products, once set up properly with good SEO and a clear sales funnel, can generate income without daily attention. The same is true of a well-optimised Shopify store or an Etsy shop with strong organic search presence.

But nothing starts passive. The "passive" phase comes after significant upfront work — product creation, store setup, content, SEO, customer reviews, and enough traffic to generate consistent sales. Anyone describing a route to passive income that skips that part is describing something that doesn't exist.

What you can do is compress that upfront work significantly. That's exactly what the free Odessa guides are built for — not to teach you theory, but to give you specific actions, in order, so you're not spending weeks figuring out what to do next. Download them, use them, come back when you're ready for the next step.

Which platform should you sell on?

This depends entirely on what you're selling and who you're selling it to.

Etsy is the right choice for handmade, vintage, and personalised products — it has a built-in audience of buyers who are actively looking for exactly that. The competition has increased significantly over the past few years, but a well-optimised listing with strong photography and the right keywords can still generate real results.

Shopify is the right choice if you want to build a brand rather than just a listing. It gives you full control over the customer experience, your data, and your margins. The trade-off is that you're responsible for your own traffic — there's no built-in audience. That makes marketing skills non-negotiable. If you're building a Shopify store, the free Odessa guide on ChatGPT and Shopify checkout optimisation walks you through 29 specific actions to make sure your store gets found — not just on Google, but in AI search too.

Amazon is where the volume is, but the margins are under constant pressure and the rules can change without warning. It works best for established products with clear demand and the margin to absorb fees.

Your own website gives you the most control and the highest long-term upside, but it requires the most work to drive traffic. For most people, this works best in combination with a platform rather than instead of one.

The mistake most new sellers make

They pick a product based on what seems exciting rather than what has a viable path to customers. A great product that nobody can find is not a great product — it's an expensive experiment.

Before you commit to a product category, ask yourself: how will people discover this? What's the search volume for the problem it solves? Are there existing competitors making money, and is there room for you? Can you reach the audience through SEO, through a specific platform's algorithm, through social media, or through paid ads — and do you have the skills or budget to do that?

The product is only half the equation. The other half is traffic. And most people ignore it completely until they've already spent money building a store.

Stop procrastinating. Here's your decision.

Here's the uncomfortable truth: you already have enough information to make a decision. You've probably had enough information for weeks, maybe months. What's stopping you isn't knowledge — it's the fear of picking the wrong thing.

There is no wrong thing. A product that doesn't work teaches you what does. A store that underperforms shows you exactly what to fix. The sellers making thousands of pounds a month online didn't get there by making perfect decisions — they got there by making decisions, full stop, and adjusting as they went.

The only version of this that definitely doesn't work is the one where you're still reading guides six months from now and haven't launched anything.

If you're ready to stop thinking and start doing, the Launch Your First Ecommerce Product in 7 Days guide is the most direct route forward. It's a step-by-step programme that takes you from idea to live product in one week — covering product selection, store setup, pricing, and your first traffic strategy. No fluff, no filler, just the exact sequence of decisions and actions you need to take, in the right order, one day at a time.

[Get Launch Your First Ecommerce Product in 7 Days →]

If you're not quite ready for that yet, start with the free resources. Download the Odessa guide library, work through the checklists, and come back when you're ready to commit. Everything is built to meet you where you are — but to keep pushing you forward.

The bottom line on what to sell online to make money

The opportunity is real. People are building genuine businesses from their kitchens, their spare bedrooms, their lunch breaks. The products that tend to work aren't magic — they're specific, they serve a real need, and the person selling them made a decision and followed through on it.

You don't need the perfect product. You don't need the perfect moment. You need to pick something reasonable, learn the basics of getting it in front of people, and do that consistently for longer than feels comfortable.

The free guides at Odessa will help you do that faster. The Launch Your First Ecommerce Product in 7 Days programme will take you all the way to your first live product. The only thing left is the decision to start.

Launch your first product this week →

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