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A New Yorker designs a line of comfortable underwear, launching it as her own apparel brand. The episode covers intimate apparel product…

A food lover turns a granola recipe into a side business, moving from farmers-market sales to supplying major tech-company kitchens…

A jiu-jitsu instructor invents an unconventional portable workout tool, launches it on Kickstarter and scales it to roughly $20,000 per…

After her co-founder left and the core product stalled, Christine Spang rebuilt Nylas, an email/calendar API for developers, into a…

A Canadian caretaker builds a side hustle selling hands-free crutch alternatives that are more comfortable than standard crutches. She…

A Trader Joe's employee discovers the technique of tea-staining prints of public-domain art and sells custom framed prints online, earning…

A physician designs plush toys shaped like human organs and manufactures them to teach kids anatomy and serve as hospital get-well gifts.…

After losing his government job, a man starts reselling items sourced opportunistically and grows the activity to six figures in a single…

A former sound engineer in Texas builds a hotel-room information guide that is given to guests for free; advertisers sponsor the printed…

A Colorado nutritionist structures her work to bill both her employer and clients for the same services, effectively getting paid twice for…

An Australian high school teacher created and sold his own bow tie brand to gain low-cost business experience, then sold the business when…

Two friends built a charisma and confidence coaching business, starting with $10 ebooks and scaling to daily $600 course sales, reaching…

A radio host and acting coach built a rehearsal app for actors because the iPhone's Voice Recorder wasn't sufficient, and the app has…

After hosting a popular Super Bowl party, a St. Louis salesman launched a hot sauce brand with a fiery but flavorful recipe. The episode…

A marathon runner spent a decade reviewing running shoes online and built a six-figure affiliate income from shoe sales. The business is a…

Two best friends in Florida run a date-night planning service that handles the logistics of a romantic evening for busy couples. The…

A Texas interior designer and mother of three earns $5,000/month selling custom-image rubber ink stamps after switching the stamp color.…

Ben Halpern gave himself a 10-year horizon to grow Dev.to, a developer community, and used patient, empathy-driven product decisions plus…

A special education teacher started making sign language videos using puppets for her toddlers and discovered an underserved market. The…

Two sisters in New York City created a personalized board game based on childhood memories and earned $16,500 in the first four months. The…

A London receptionist rents out his photography equipment on a peer-to-peer sharing platform and has done so over 1,100 times. The side…

A bird lover started an online store reselling bird supplies after struggling to find quality products, earning up to $250,000/year at…

A frustrated attorney launched her own women's magazine because mainstream media wasn't producing content she wanted to read. The episode…

An Australian stay-at-home mom built a resource website for remote work opportunities and earns about $3,000/month from affiliate links…