Classifieds website: a simple side income
Petr Sejba
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8 min

Last Monday, Sarah sat on a wooden dock by a quiet lake, a $40 camping lantern beside her and a blank document on her laptop screen. The lantern brand had sent it to her for free. She'd spent the previous weekend testing it in her backyard. Now she was writing 800 words about whether the battery actually lasts as long as the box claims.
She published the review on her small website. Over the next two months, that single post earned her about $35 in affiliate commissions. The brand noticed her honest write-up and offered her $75 for a second review. And she kept the lantern.
Total time invested? Maybe three hours, spread over a week.
Sarah isn't a tech person. She isn't an influencer. She's a kindergarten teacher who wanted an extra hundred or two dollars a month. What she built is something almost anyone can build: a niche review site.
Here's a number that should change how you think about online shopping. Multiple consumer surveys consistently show that around 93% of people read online reviews before making a purchase. Think about your own behavior. When did you last buy a phone case, a blender, or a pair of running shoes without checking what other people thought first?
Someone writes every single one of those reviews. And that someone often gets paid for it. Not by an employer. Not by a boss. Just by having a small website where they share honest opinions about products they've actually used.
A niche review site is exactly what it sounds like: a simple website focused on reviewing products in one specific category. Dog carriers. Standing desks. Baby monitors. Mechanical keyboards. You pick one area, you test products, you write about them. That's the whole model.
You don't need a journalism degree. You don't need a studio. You need a product, an honest opinion, and a place to publish it.
Here's the mistake most beginners make: they want to review everything. Laptops, headphones, kitchen gadgets, camping gear. They build a giant "tech and lifestyle" site and wonder why nobody visits.
The problem is simple. If you write about everything, you compete with everyone. You'll never outrank a site with 200 writers and a million-dollar budget.
But if you review only portable dog water bottles? Now you're competing with maybe three other sites. Maybe none. A reader searching for "best collapsible dog water bottle for hiking" finds your page, reads your honest comparison of seven bottles, and trusts you because you clearly know this tiny corner of the world.
Brands notice this too. A company selling dog hiking gear would rather pay you $100 for a review on your focused site than beg a giant tech blog to mention them between smartphone reviews. Narrow focus makes you the obvious choice.
Here's where it gets interesting. A single review can earn money in more than one way at the same time. And because your reviews stay online for months or years, the income keeps trickling in long after you hit Publish. That's the passive part. Most review site owners stack all three methods below, and that's what makes the model work.
You include a special tracking link in your review. A reader clicks it, buys the product, and the retailer pays you a small percentage. Typical commissions range from 5% to 15% of the sale price.
One review of a $200 robot vacuum at 5% commission earns you $10 per sale. That doesn't sound like much. But that review stays online for years. If it convinces ten people a month to buy, that's $100 a month from a single afternoon of writing.
Some brands will pay you a flat fee just to publish a review on your site. You might earn anywhere from $50 to $300 per review, depending on your traffic and niche.
The brand isn't buying a positive review. At least, the good ones aren't. They want honest coverage because their product is genuinely good, and they want their target audience to hear about it from someone they trust. Your job is to test the product and write what you found. That's it.
Once brands know your site exists, many will offer to send you products for free. You test them, write your review, and keep the item. This isn't cash income, but it feeds the other two streams. Every free product is a review you can write without spending a dime, and every review is another page that can earn affiliate commissions.
A $150 espresso machine that lands on your doorstep for free? You just saved $150 and gained a review that might earn you $20 a month in commissions for the next two years.
Let's say you've been using the same cheap drip coffee maker for three years. You know exactly what's annoying about it. The lid doesn't seal properly. The carafe drips every time you pour. The "keep warm" plate burns the coffee after forty minutes.
You just described a better review than most professional tech writers could produce. Because you lived with the product. You didn't unbox it, take three photos, and move on. You experienced the slow, daily frustrations that a spec sheet never mentions.
Readers can tell the difference. They don't want a list of technical specifications. They want to know: "After six months, does the thing still work? Would you buy it again?"
Your ordinary, everyday perspective is the value. Not a weakness. The value.
I want to be straight with you here, because most articles about online income skip this part. You will not quit your job in ninety days. Anyone who tells you otherwise is selling something.
But here's what a realistic first year can look like if you stay consistent.
You're writing reviews, learning how to structure them, figuring out what your niche actually needs. Income during this phase is usually zero, and that's completely normal. You're building the foundation. Think of it like planting a garden. You don't dig a hole on Monday and eat tomatoes on Tuesday.
Your pages have been in search results since week one—just buried so deep that nobody sees them. Now there's a growing chance they climb to positions where people actually click.
A handful of visitors find you each day. Maybe someone clicks an affiliate link. Maybe you earn your first $12. It's not much, but it's proof the model works.
Traffic grows steadily. Your older reviews keep earning while you publish new ones. A brand emails you asking if you'd review their product for $100. Then another brand. By month twelve, earning $200 to $800 per month is a realistic range for someone who published consistently and picked a decent niche.
These numbers are illustrations, not promises. Your results depend on your niche, how often you publish, and a dozen other factors. Some people earn more. Many earn less, especially if they stop writing after month two. The point is: the model works, but it rewards patience.
To get started, you only need three things:
Not all hosting providers are the same. If you want your website to work long-term, focus on these four things:
I run MarbleHost, where I host my own sites, including this one. I built MarbleHost in 2005 to make getting started simple, even with zero technical experience. I still use it myself every day.
Here’s why it works well in practice:
You can try it with a genuine 30-day free trial without adding any payment details upfront. That means no risk of being charged if you decide to stop. You can build your site, test your idea, and see if it fits you. If not, simply let the trial expire.
You’ll need a domain name. If you already have one, you can use it. If not, you can register one during setup for a small yearly fee.
If you’re starting with one site, the Launch plan is enough. If you plan to run multiple sites, choose the Grow plan.
Your next step is simple: get your site online. Once it’s live, focus on publishing content, growing traffic, and increasing your earning potential.
No. You don’t need to code anything. During setup, you can choose a ready-made platform (for example, WordPress—a popular system used to build websites, blogs, or online stores). The hosting installs it automatically, so your site is ready in just a few clicks. If you want something different, you can choose other types of websites as well—like an online store or a forum.
You can have a basic site online in under an hour. The setup itself is quick. Most of your time will go into creating content and growing traffic.
There are many ways to get traffic. The most common ones are search engines (SEO), social media, and online communities like forums or Reddit. These are just a few beginner-friendly options—there are many others. The key is to pick one source, focus on it, and stay consistent.
Typically 3 to 6 months. Search engines like Google need time to discover your site, build trust in it, and start sending regular visitors to your pages. That’s why the most important step is to get your site online as soon as possible and start publishing.
You can simply stop. Since the MarbleHost trial doesn’t require any payment details upfront, you can let it expire without being charged. The only investment is your time and a small annual fee for your domain. That makes it easy to test your idea without pressure.
Around 5 to 10 hours is a solid start. That's enough to research a product, test it, write one or two reviews, and handle basic site upkeep. You don't need to treat it like a full-time job. Many people build their review site in the evenings or on weekends, alongside a regular job or family responsibilities.
Not always. You can start by reviewing things you already own. That coffee maker you've used for two years, the backpack you hike with every weekend—those are reviews waiting to be written. As your site grows, brands will start sending you free products to test. Until then, your own shelves are a goldmine.
Start with what you already know or use regularly. The best niche is one where you have genuine curiosity and some everyday experience. You don't need to be an expert. You just need to care enough to test products honestly. A good test: can you think of ten products in this category you'd have an opinion about? If yes, you've found a starting point.
Get your site online. Everything else—writing reviews, joining affiliate programs, reaching out to brands—comes after. You can't publish a review without a place to publish it. A simple website with reliable hosting is your starting line. I built MarbleHost to make that first step as easy as possible, even if you've never touched a website builder before. You can try it free for 30 days, build your site, and see if this path fits you. No payment details required upfront.