25 Side Hustle Ideas

A side hustle is a way to generate extra income alongside your regular job or studies. Whether you want to earn an extra €200 per month or build a full-fledged business in the long run - in 2026, there are more opportunities than ever. In this comprehensive guide, we're sharing 25 proven side hustle ideas, including realistic expectations for earnings, startup time, and required investment.

What is a side hustle exactly?

A side hustle is any form of paid work that you do alongside your main income. The difference with a regular part-time job is that with a side hustle, you're often your own boss, set your own hours, and can scale up whenever you want. According to research by the CBS, more than 15% of the Dutch working population now has some form of side activity alongside their regular job. Motivations range from saving extra money and paying off debt to testing a business idea.

Benefits of a side hustle

• Financial safety net - An extra income stream gives you more security if your main job becomes uncertain
• New skills - You learn entrepreneurship, marketing, finance, and customer contact
• Flexibility - You decide when and how much you work
• Low risk - You keep your main income while building something new
• Passive income potential - Some side hustles can largely run on autopilot in the long run

Side hustle overview: comparison of 25 options

Below, you'll find a clear table with all 25 side hustles from this article. Use this table to quickly determine which option best fits your situation.

E-commerce side hustles

E-commerce is one of the most popular categories for a side hustle in the Netherlands. You sell physical or digital products online and can scale up as you gain more experience.

1. Selling on bol.com

With over 13 million active customers, bol.com is the largest online sales platform in the Benelux. As a side hustle, selling on bol.com is particularly attractive because you have direct access to a huge customer base without having to do any marketing yourself. You can start with products from your own home, through wholesalers, or by dropshipping. With tools like Zoloo's Product Tracker, you can identify profitable products and analyze your competition. Check out the Sales Dashboard to track your sales figures and margins in real-time.

2. Dropshipping

With dropshipping, you sell products without holding any inventory. Your supplier ships the product directly to the customer. This significantly reduces your startup costs, but the margins are often smaller. However, with the right niche and reliable suppliers, you can build a solid side hustle. Just be aware: bol.com has strict delivery time requirements, so choose European suppliers to avoid delays.

3. Print on demand

Print on demand allows you to print your own designs on products - think t-shirts, mugs, phone cases, and posters. You create the design, upload it to a print-on-demand service, and the company only prints and ships the product after an order is placed. The startup costs are virtually zero if you can design yourself.

4. Starting your own webshop

Having your own webshop gives you full control over your brand, prices, and customer relationship. Platforms like Shopify or WooCommerce make it relatively easy to set up a professional webshop. The downside: you have to attract customers yourself through SEO, social media, or paid ads. This requires more time and knowledge, but the rewards can be significant.

5. Selling digital products

E-books, templates, spreadsheets, Lightroom presets, Canva templates - digital products have no inventory costs and offer 100% margin on every sale. It requires a one-time time investment to create the product, after which it can be sold almost passively through platforms like Gumroad, Etsy, or your own site.

6. Selling handmade products

If you're creative and enjoy working with your hands, you might consider selling handmade products. Jewelry, candles, soap, ceramics, or knitted items are popular on platforms like Etsy and bol.com. The key is a unique product with a clear target audience and attractive presentation.

7. Flipping: buying and reselling

Flipping involves buying products cheaply and reselling them for a profit. This can be done through thrift stores, auctions, clearance sales, or online marketplaces. Popular categories include electronics, vintage clothing, books, and collectibles. With a good eye for valuable items and knowledge of market prices, you can quickly start this low-barrier side hustle.

Freelance side hustles

If you have specific skills, you can directly turn them into a side hustle as a freelancer. The advantage: you sell your time and expertise without having to buy any products.

8. Freelance writing

Companies constantly need content - blog posts, website texts, social media posts, product descriptions, and more. If you can write well in Dutch (or English), freelance writing is an excellent side hustle. Platforms like Upwork, Fiverr, and Tekstschrijvers.nl can help you find your first clients.

9. Graphic design

With knowledge of tools like Adobe Illustrator, Photoshop, or even Canva, you can design logos, flyers, social media graphics, and more for clients. The demand for visually appealing content grows every year, and good designers are scarce.

10. Web development

Building websites is one of the best-paying freelance side hustles. Whether you build WordPress sites or complex web applications, companies pay well for reliable developers. A single website can earn you between €500 and €5,000, depending on the complexity.

11. Virtual assistant

As a virtual assistant, you help entrepreneurs with tasks like email management, calendar planning, bookkeeping, customer service, or data management. The barrier to entry is low, and you can start right away if you're organized and comfortable with computers.

12. Social media management

Many small businesses want to be active on social media but don't have the time for it. As a social media manager, you create content, schedule posts, respond to messages, and analyze results. With tools like Buffer or Hootsuite, you can serve multiple clients at once.

13. Translation work

Do you speak multiple languages? Translation work is a highly sought-after service, especially in combinations like Dutch-English, Dutch-German, and Dutch-French. Specialized translators (legal, medical, technical) earn significantly more than general translators.

Online side hustles

The following side hustle ideas revolve around building an online presence that can generate largely passive income in the long run.

14. Affiliate marketing

In affiliate marketing, you promote products or services from other companies and earn a commission for each sale or sign-up that comes through your link. This works best in combination with a blog, YouTube channel, or social media account with an engaged audience. The startup time is long, but the income can become largely passive over time.

15. Blogging

Starting a blog about a topic you're passionate about can become a profitable side hustle. Income sources include advertisements (Google AdSense), affiliate links, sponsored articles, and your own products. It takes an average of 6 to 12 months for a blog to generate significant income, but the long-term potential is high.

16. YouTube channel

Video content is more popular than ever. With a YouTube channel, you can earn money through ad revenue (YouTube Partner Program), sponsor deals, affiliate marketing, and merchandise. The barrier to entry is low - a smartphone and good lighting are enough to get started.

17. Starting a podcast

Podcasting is growing explosively in the Netherlands. You can earn money through sponsor deals, advertisements, donations via Patreon, or selling your own products and services to your listeners. Production costs are low, and you can record whenever it suits you.

18. Creating online courses

If you have expertise in a specific field, you can create online courses and sell them through platforms like Udemy, Skillshare, or your own website. A well-made course can be sold for years with minimal maintenance - the ultimate passive side hustle.

Services as side hustles

19. Online coaching or consultancy

Whether it's business coaching, nutrition advice, career planning, or personal development - if you have knowledge that helps others, you can turn it into a coaching side hustle. With Zoom and online planning tools, you can serve clients from your living room. Hourly rates of €50 to €150 are common, depending on your niche and experience.

20. Online tutoring

Teaching via platforms like Superprof, Bijlesnetwerk or directly to clients is a proven way to earn extra money. Popular subjects are math, physics, English, and Dutch. With video lessons, you can also reach clients outside your immediate environment.

21. SEO-consultancy

Search engine optimization is essential for online businesses, but many entrepreneurs don't understand it. If you have SEO knowledge, you can help companies rank higher in Google. This is a relatively well-paid niche with monthly retainer contracts of €300 to €2,000 per client.

22. Boekhouding and administratie

Many small entrepreneurs and freelancers don't have the time or knowledge to keep their administration in order. If you're handy with numbers and accounting programs (Exact, Moneybird, e-Boekhouden), this is a stable side hustle with returning clients.

Creative and other side hustles

23. Stock photography

If you have a good camera and an eye for composition, you can sell photos via stock photo platforms like Shutterstock, Adobe Stock, or Getty Images. Every photo you upload can be sold for years to come - a classic form of passive income.

24. App development

If you can program, building apps is a lucrative side hustle. Whether you build your own app for the App Store/Google Play or develop apps as a freelancer - the demand for good developers is enormous. The startup time is longer than with other options, but the earning potential is also higher.

25. Renting out items or space

Do you have an extra room, a trailer, professional tools, or camera equipment? Via platforms like Airbnb, PeerBy Go, or Fatboy, you can rent out your belongings to others. This requires minimal effort and generates direct income from assets you already have.

How to choose the right side hustle?

With so many options, it can be overwhelming to choose the right side hustle. Ask yourself these questions:

• How much time do you have available? - If you only have 5 hours a week, choose an option with low time investment like flipping or renting
• What are your skills? - Build on what you already can do. Are you creative? Choose design or handmade products. Are you analytical? Consider SEO consultancy or e-commerce with data analysis
• How much do you want to invest? - Some side hustles can be started with €0, while others require an initial investment
• Are you looking for active or passive income? - Freelance work generates money directly but requires active hours. Digital products and content platforms build up slowly but can become passive
• What is your end goal? - Do you want to earn extra money or eventually build a full-time business? This determines which direction is most suitable

Practical tips to start your side hustle

KvK registration

In the Netherlands, you are required to register with the Chamber of Commerce as soon as you structurally earn money with a side hustle. Setting up a sole proprietorship costs a one-time fee of €75 and can be arranged in an hour. This also gives you a VAT number, which is necessary for many platforms and business clients.

Taxation and administration

Keep a good administration from day one. Save all receipts, invoices, and bank statements. As a freelancer, you can benefit from the self-employed person's deduction (€2,470 in 2026) and the starter's deduction (€5,348 in the first three years). Use a facturatietool to automate your administration.

Start small and scale up

The biggest mistake people make is waiting too long to start. Start small, test your idea, learn from your mistakes, and scale up when it works. You don't have to be perfect from the start - the most important thing is that you begin.

Frequently Asked Questions about Side Hustles

How much can I earn with a side hustle?

This varies greatly - from €100 to over €5,000 per month, depending on your chosen side hustle, time investment, and experience. Most beginners earn between €200 and €500 per month in the first few months and gradually scale up.

Do I need a KvK registration for a side hustle?

Yes, if you generate income on a regular basis, you are legally required to register with the KvK. Occasional sales (selling your old stuff) are exempt, but as soon as there is regular activity, you need to register.

Can I combine a side hustle with a full-time job?

Absolutely. Most side hustles are designed to be done alongside a full-time job. Just check your employment contract for any non-compete clauses or rules about side activities. Many employers allow side activities as long as they're not competing with their business.

What's the best side hustle for beginners?

For beginners, selling on bol.com, virtual assistance, and flipping are the most accessible options. They require little start-up capital and technical knowledge, and you can quickly generate your first income.

Conclusion

There's no shortage of opportunities for a side hustle in 2026. Whether you choose e-commerce, freelancing, content creation, or services - the most important thing is that you choose a direction that fits your skills, available time, and goals. Take your first step today and discover how much you can achieve alongside your regular work. Want to start selling on bol.com? Use Zoloo's Product Tracker to find the most profitable products and analyze your competition.