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$3K in 45 Days Selling “Tiny AI Tools” Anyone Could Build
Forget building an entire app. The fresh play is selling a “tiny AI tool” – a Claude Skill, basically: a recipe that makes the AI do one task your way, every time. Marketing consultant Ryan Doser packaged ~25 of his own into a $99 bundle, sold it from his site, and cleared over $3,000 in…
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An Extra $5K/Month Flipping Vintage Band Tees and Boardshorts
📝 jazz_king_seb writes about his side hustle… I flip vintage and secondhand band t-shirts and boardshorts. Mostly sourcing from wholesalers in Asia then resell them on eBay and Depop. Last month I cleared just over $5K on top of my regular income. All from a $500 starting stake that he reinvested every month 💪 The…
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Pastor Sold $2M of Golf Gear Live (Zero Followers to Start)
Clinton Benninghoff auctions clubs live on Whatnot from his Texas golf shop, letting the algorithm surface his show to golfers. Zero followers at launch, $2M in sales a year later.
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$623/Month From Etsy Printables (After 14 Honest Months)
Devvirat sells digital templates like a Google Sheets budget tracker on Etsy. Fourteen months and 34 products in, he’s at $623 a month, with five listings driving 70% of sales.
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$110K/Month From AI-Written Kids’ Books
Mary Allan publishes short AI-written, AI-illustrated books for kids on Amazon’s print-on-demand service, targeting underserved themes like ADHD. Estimated 16,700+ copies monthly at $6.62 profit each, roughly $110K.
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$850 in 30 Days Selling AI Ads to Local Businesses
A 23-year-old made 100 short AI ad concepts for med spas, gyms and dentists, then cold-emailed the finished ads with no pitch. Two buyers, two retainers, $850 in month one.
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$500K From Cotton Candy Vending Machines
Zach Downey places robotic cotton candy machines in amusement parks and resorts, each costing $7,500 and selling candy for up to $15. Ten machines, all landed by cold email, project $500K.
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$3–4K/Month Flipping Pokémon Cards on eBay
He buys whole Pokémon collections off Marketplace at 40-50% of market value, breaks them up, and sells the good singles on eBay. That clears $3-4K a month after costs.
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Mom’s Vibe-Coded App Made $1,536 in Month One
Dr. Shirin Syed, a physician with no coding background, used Replit to build an app for parents writing keepsake letters to their children. Six weeks to ship, $1,536 in month one.
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Sneaky $36K/Month From Faceless YouTube Shorts
Kellan Henneberry finds 6-12 month old viral clips on big Shorts channels, then reposts them with AI voiceover, captions and arrows across eight channels. One month brought $36,591; the year, $239K profit.
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$4.5K/Month From a Vibe-Coded Trend Scraper (Zero Marketing)
A cosmetics founder was paying seven staff $3K a month to scroll TikTok for trends, so he vibe-coded a scraper to replace them. Word of mouth alone brought 45 clients, $4.5K MRR.
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$10K/Month Renting Out Washers and Dryers (5 Hours a Week)
Kyler Liston lists a washer-dryer set for rent before he owns it, collects the first month’s $50-60 rent, then buys the machine cheap off Marketplace. 120+ sets out, about $10K monthly.
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Sneaky AI Service That Sells Itself ($500+/Month Per Client)
Chris Koerner builds GoHighLevel AI agents that text back a small business’s missed calls and book appointments. Voicemail drops to local tradespeople land the clients: $100/month in tools, $500 per client.
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$500/Month Renting Trailers to Stranded IKEA Shoppers
He bought two used cargo trailers for $1,200, parked them near an IKEA, and rents them at $40 a day through a peer-to-peer listing. Lockbox handover, $500 monthly profit.

