18 Side Hustles Millennials Wish They Started Yesterday

Making extra money on the side has become a big trend among millennials. Many are looking for ways to boost their income, pay off debt, or save for big goals like buying a house. Side hustles offer a chance to earn more without quitting your day job. They can also be a way to explore new interests or skills that might even turn into a full-time career someday.

In this blog post, I share 18 side hustles many millennials wish they had started earlier.

1. Mushroom Cultivation

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Growing gourmet mushrooms can be a unique and profitable side hustle. It requires minimal space and initial investment, making it accessible for many. Specialty varieties like lion’s mane or oyster mushrooms fetch high prices at local markets and restaurants. Learning proper techniques for cultivation, harvesting, and storage is key to producing high-quality crops that stand out in the market.

2. Drone Mapping Services

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Offering drone mapping for construction or agriculture is a lucrative niche service. It requires learning specific software, regulations, and obtaining necessary certifications. Clients often pay well for accurate aerial data used in land surveying, crop analysis, and 3D modeling. This side hustle combines technology with outdoor work, appealing to those who enjoy both aspects.

3. Voice Acting For AI

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As AI expands, there’s growing demand for diverse voice samples to train speech recognition systems. Recording voice clips for AI training can be done at home with basic equipment. Pay rates are often good due to the specialized nature of the work. This gig combines technology with creativity, allowing for flexible hours and potential recurring projects.

4. Micro-Mobility Charging

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Charging electric scooters and bikes for sharing companies is a profitable urban side hustle. It requires minimal effort but can yield steady income, especially in cities with high usage. Late-night pickup and early morning drop-off schedules fit well with many people’s routines. This job contributes to sustainable transportation while providing a reliable income stream.

5. Vertical Garden Installation

Image credit: “Succulents in a Vertical Garden” by Chris Hunkeler is licensed under CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/?ref=openverse.

Installing living walls for homes and businesses is a trending service in urban areas. It combines gardening skills with interior design knowledge, appealing to eco-conscious clients. The unique service commands premium prices due to its aesthetic and environmental benefits. Maintaining these gardens can provide ongoing income, creating a long-term relationship with clients.

6. Custom Meal Prep For Athletes

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Tailoring meals for athletes’ specific nutritional needs is a valuable service in the fitness industry. Knowledge of sports nutrition and dietary requirements for different types of athletes is essential. Clients often commit to long-term meal plans, providing stable income. This side hustle combines cooking skills with fitness expertise, catering to a health-conscious market.

7. 3D Printing Service

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Offering specialized 3D printing for prototypes or custom parts is in high demand. This requires investment in quality printers and materials, but can yield significant returns. Expertise in design software increases value to clients, allowing for higher pricing. It’s a growing field with various applications in industries from medicine to manufacturing.

8. Biohacking Coaching

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Advising on personalized health optimization is a cutting-edge field gaining popularity. It involves understanding genetics, nutrition, and technology to create tailored wellness plans. Clients pay well for customized biohacking strategies that promise improved performance and health. Staying updated on the latest research and trends is crucial for success in this evolving niche.

9. Smart Home Setup

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Installing and configuring smart home systems is increasingly in demand as technology advances. It requires knowledge of various devices and ecosystems, from voice assistants to security systems. Troubleshooting skills are valuable in this growing market, as clients often need ongoing support. Repeat business often comes from upgrades and expansions to existing setups.

10. Virtual Reality Experience Design

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Creating VR experiences for training or entertainment is a lucrative field with growth potential. This combines creativity with technical skills in VR development and 3D modeling. Businesses increasingly use VR for employee training, offering opportunities for specialized content creation. The entertainment sector also provides avenues for creating immersive VR games and experiences.

11. Sustainable Fashion Upcycling

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Transforming old clothes into trendy, eco-friendly pieces taps into growing environmental consciousness. It requires creativity, sewing skills, and an eye for fashion trends. Unique designs can command high prices in the sustainable fashion market. This side hustle combines artistic expression with practical skills and ecological awareness.

12. Aquaponics Consulting

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Advising on home or commercial aquaponics systems is a specialized service gaining traction. It requires knowledge of both fish-keeping and plant cultivation in symbiotic environments. Sustainable food production is a growing interest, especially in urban areas. This niche combines ecology with agriculture, appealing to environmentally conscious clients.

13. E-Waste Gold Recovery

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Extracting precious metals from electronic waste is a profitable venture with environmental benefits. It requires learning safe and legal extraction methods to process discarded electronics. The process turns waste into valuable resources, addressing both economic and ecological concerns. This combines recycling with small-scale metallurgy, requiring attention to detail and safety protocols.

14. Sensory Branding

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Creating custom scents or soundscapes for businesses is a unique service in experiential marketing. It taps into the power of sensory marketing to enhance brand recognition and customer experience. This niche service can significantly impact customer perceptions and loyalty to a brand. It blends creativity with psychology and marketing, requiring a deep understanding of sensory effects.

15. Floating Art Installations

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Designing and installing floating art for ponds, lakes, or other water bodies is an innovative niche. This combines engineering skills with artistic vision to create eye-catching, durable installations. Large-scale projects can be highly lucrative, attracting both public and private clients. It’s a unique service that transforms aquatic spaces into memorable landscapes.

16. Tiny House Design

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Offering design services for the growing tiny house movement requires specialized knowledge. It focuses on space-saving and multi-functional design to maximize limited square footage. Sustainability is often a key factor, incorporating eco-friendly materials and energy-efficient systems. This niche combines architecture with minimalism, catering to a market seeking simplified, mobile living.

17. Biochar Production

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Creating and selling biochar for agriculture is an eco-friendly business with growing demand. It improves soil health, increases crop yields, and sequesters carbon, addressing multiple environmental concerns. The process can use waste materials as input, turning potential pollutants into valuable resources. This combines environmental science with agriculture, appealing to eco-conscious farmers and gardeners.

18. Mycelium Materials Consulting

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Advising on the use of fungal materials in products is an emerging field with diverse applications. This specialty has potential in sustainable packaging, construction materials, and even fashion. It requires specialized knowledge of mycelium growth, processing, and material properties. The eco-friendly nature of mycelium-based materials is increasingly valuable in a world seeking alternatives to plastics.

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Mary Apurong

Mary Apurong is an experienced writer and editor who enjoys researching topics related to lifestyle and creating content on gardening, food, travel, crafts, and DIY. She spends her free time doing digital art and watching documentaries. Check out some of her works on Mastermind Quotes.