The rise of "vibe coding" – using plain English to instruct AI tools to generate software – is dramatically lowering the barrier to launching tech side hustles. Non-technical individuals can now go from a simple prompt to a live application in a matter of hours for a fraction of traditional development costs, according to industry experts speaking to Business Insider.
This technological shift, a term coined last year by AI researcher Andrej Karpathy, is empowering a new wave of entrepreneurs. However, it simultaneously elevates the importance of core business fundamentals: original ideas, effective marketing, and navigating non-technical hurdles like regulation and scaling.
From Concept to Product in Hours
Priscilla Tina, a 28-year-old tech product manager in San Francisco, exemplifies the trend. With no formal coding experience, she built a prototype for "Postcard Press," an app that lets users send photos as physical postcards, in just four hours using Anthropic's Claude AI. "There is this insane inflection point right now where non-coders can just bring products to life in such a short amount of time," Tina said.
The cost savings are substantial. Alexandre Pesant, head of product at AI development platform Lovable, stated that minimum viable products which "would cost thousands of dollars and weeks of developer time" are now accessible. Mukund Jha, CEO of Emergent, noted traditional development can cost $15,000 to over $50,000, while AI tool subscriptions typically range from $20 to $300 per month.
Success Stories and Scaling Challenges
Some builders are achieving significant revenue. Jacob Klug, founder of a vibe-coding agency, made over $170,000 in a month by building and selling apps on Lovable. Swedish entrepreneur Henrik Fasth scaled a virtual try-on tool into an AI fashion platform generating over $800,000 in annual recurring revenue within nine months.
Yet, the ease of building exposes new bottlenecks. For Haris Rana, a 34-year-old physician in California, regulation is the primary barrier. He vibe-coded a dashboard to streamline patient care but cannot deploy it due to US patient privacy laws (HIPAA). "To get it approved would require... an entire operation," Rana explained.
Scaling also often requires professional oversight. Priyanshi Bansal, 27, a product manager in India, built a gift recommendation app on Claude but encountered flawed logic. "I realized that if it's going to be a full-fledged business product, it has to have a good code stack," she said, subsequently hiring a software developer to rebuild the architecture.
Creativity and Attention as New Commodities
With product development commoditised, experts emphasise that creativity and marketing are now the critical differentiators. "When product development is commoditized, attention becomes the scarce resource," said Jong Yeob Kim, an assistant professor of marketing at Nanyang Technological University in Singapore.
Siddarth Natarajan, who teaches entrepreneurship at the same university, stressed the need for a strong business model. "People can now come up with products easily, but they won't be the most original... That's where your appreciation of what people around you want and need matters."
Professor Ramanathan Vythilingam added that while vibe coding accelerates market entry, it "will not shine a spotlight on a problem worth solving for," a task that remains a fundamentally human instinct.
The Cost of Iteration and Future Outlook
Ongoing costs, while lower than hiring engineers, are not negligible. Justine Chang, who built an internal tool for his Singapore tutoring business using AI, spends about SG$300 ($232) monthly on tokens for the AI coding tool Amp. "Nobody wants to be burning SG$1,000 every month on tokens," he noted, acknowledging the expense is part of the learning process.
For pioneers like Priscilla Tina, the primary value lies in experimentation and learning. "I think about how startups fail 90% of the time, and really what you take away from each experiment is all the learnings that you have," she reflected, viewing her postcard app as a valuable step despite its limited revenue potential.