By Alex Morgan, Senior AI Tools Analyst
Last updated: May 26, 2026

5 Side Projects That Prove Passion Projects Can Drive Major Revenue

As 2023 comes to a close, there’s a stark revelation in the startup world: 80% of entrepreneurs report that their most successful projects originated as side projects, according to a recent survey by Entrepreneur Magazine. Amid the well-trodden narratives praising VC-funded unicorns, it’s the unsung side projects — often powered by personal passion — that are quietly redefining success in the entrepreneurial landscape. These initiatives not only generate income but have become significant players across markets that traditional ventures often overlook.

Investors and founders must start recognizing the power of these passion-driven projects, which challenge conventional metrics of success and illuminate untapped market opportunities. Here are five compelling examples.

What Are Side Projects?

Side projects are initiatives started by entrepreneurs alongside their primary employment, often fueled by personal interest or a specific passion. They allow founders to experiment without the constraints of formal investment, leading to unexpected, viable businesses. Picture a passionate cook developing a line of gourmet sauces in their kitchen; it’s an organic endeavor that, by trial and error, could end up on supermarket shelves.

These projects matter now more than ever as the economy faces uncertainty. They offer entrepreneurs a way to diversify income streams and foster creativity without the immediate risk of a full-scale startup.

How Side Projects Work in Practice

1. ClickFlow – Eric Siu’s venture into the world of SEO began as a side project, where he shared insights gleaned from his experiences. This side project has flourished into ClickFlow, a tool generating over $5 million annually, proving the viability of niche, data-driven products. Siu transformed his personal knowledge into a lucrative engine, directly impacting businesses’ search strategies.

2. Smart Passive Income – Pat Flynn’s podcast is another case study in the power of side projects. Launched as a way to share his journey in online business, it generated over $500,000 in revenue within two years. Flynn’s journey illustrates that content projects can be directly monetized in ways that challenge traditional business strategies. Instead of waiting for ad revenue, he developed courses and certifications, ultimately creating multiple income streams from a single passion.

3. Discord – Initially a side project for gamers seeking better communication tools, Discord has transformed into a billion-dollar platform, boasting over 150 million monthly active users. What started as a simple chat tool for gaming has scaled impressively, tapping into broader communities and even education sectors. This growth trajectory exemplifies how initial niche interest can lead to massive user engagement and monetization.

4. Zero (by Kevin Rose) – Rose’s investment platform began similarly as a passion project focusing on personal finance and investing. By addressing the needs of a community seeking better financial education and decision-making tools, Zero leveraged that passion into a notable presence in fintech, attracting considerable user engagement and growth. This trajectory redefines personal finance startups and indicates community-driven ideas are not just viable but potentially lucrative.

Common Mistakes and What to Avoid

While side projects can be profitable, many entrepreneurs stumble on common pitfalls:

1. Neglecting Market Research – Eric Siu initially missed understanding market needs in specific segments. Without early feedback from potential users, his product could have failed to address common pain points. All founders should prioritize user feedback to pivot effectively.

2. Poor Monetization Strategy – Pat Flynn took time to develop monetization strategies for his podcast. Initially, he relied too heavily on general ad revenue. It’s crucial to diversify income streams through products or memberships that add value to audiences.

3. Burnout from Overcommitment – Many side projects fail when entrepreneurs stretch themselves too thin. Discord’s founders had to balance their full-time gaming projects while launching Discord. Finding a sustainable work-life balance is vital to maintain momentum and avoid burnout.

Where This Is Heading

The trend of successful side projects is expected to grow even in 2024, driven by a cultural shift toward individual entrepreneurship. According to a 2023 report from Startup Genome, 39% of startups originated from founders’ side projects, indicating a clear move towards passion-led businesses.

Future delineations will include more focus on communities and niche markets. As larger companies continue to overlook specific user needs, expect a surge in grassroots initiatives that cater directly to consumers. The ambition of individual makers will increasingly challenge established players, leading to new, innovative business models radically reshaping entire sectors.

As this trend develops over the next twelve months, it will be critical for investors to reassess what constitutes a viable startup and seek out these genuine, scalable projects that may arise from passion.

FAQ

Q: What is a side project?
A: A side project is an entrepreneurial initiative started alongside a primary job, often driven by personal passion. They allow individuals to explore ideas and generate revenue without committing fully, making them accessible for many founders.

Q: How can I start a successful side project?
A: Begin by identifying a passion or skill that can address an existing problem or need. Test initial ideas with real users, seek feedback, and iterate your offering to ensure it resonates and meets market requirements.

Q: How do side projects compare to traditional startups?
A: Traditional startups often seek substantial funding and follow structured business plans. Side projects are more flexible, allowing founders to explore ideas based on personal interest, often resulting in organic growth that can subsequently lead to sustainable businesses.

Q: What are the costs associated with starting a side project?
A: Costs vary greatly but often include expenses related to tools, marketing, and potentially outsourcing certain tasks. Depending on the scope, side projects can be started with minimal investment, especially when utilizing personal expertise and resources.

Q: How can I monetize a side project effectively?
A: Identify multiple revenue streams early. This could range from direct product sales to services, memberships, and advertisements. Often, successful monetization involves providing value through tailored solutions that address audience challenges.

Q: What is the biggest mistake to avoid with side projects?
A: The most significant mistake is failing to conduct thorough market research. Understanding your target audience’s needs is critical to ensuring your project resonates and has lasting appeal.

Q: What future trends should I watch for in side projects?
A: There will likely be a rise in niche markets and community-driven enterprises as entrepreneurs increasingly focus on addressing specific user needs, redefining success beyond traditional models.

Q: What tools can help me with my side project?
A: Tools like LearnWorlds for online course creation, Accelerated Growth Studio for growth marketing, and Housecall Pro for field service management can greatly aid in effectively launching and managing side projects.

Top Tools and Solutions

• LearnWorlds — Online course creation and selling platform perfect for educators and trainers to monetize their knowledge.
• Accelerated Growth Studio — Growth marketing platform for scaling businesses looking to enhance their market presence.
• Housecall Pro — Field service management software ideal for businesses needing to streamline operations and improve customer service.
• Marketing Boost — Done-for-you vacation incentives and marketing tools to boost sales conversions and customer loyalty.
• Livestorm — Video engagement platform for webinars and meetings, excellent for hosting online events.
• Close CRM — Sales CRM built for high-velocity sales teams to automate workflows and drive revenue.