Side hustle ideas from people who actually run them
Real side businesses, described by their owners. Filter by cost, time and how they earn.
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- 651 ideas
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- 14 publications and shows
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- Files sold online: templates, printables, ebooks, stock photos, fonts, presets, plugins, recorded courses
- A web app, SaaS, mobile app, browser extension, bot or API that people pay for or that earns from ads
- A blog, niche website, newsletter, YouTube channel, podcast or social account that earns from ads, affiliate links or sponsors
- Making, printing or reselling physical goods, online or in person
- Doing work for clients for a fee: freelance, consulting, done-for-you services, repairs, local services
- Earning from something you own: renting property, rooms, equipment, vehicles, parking, vending machines, domains
- A job board, listings site, directory or marketplace that connects buyers and sellers
- Live tutoring, lessons, workshops, coaching or cohort classes
Matching ideas
About the data25 ideas
- Services and freelancingA solo consultant advises teams of five to two hundred people on AI, starting with a paid inbox audit that is credited toward a longer retainer.OnlineThe Side Hustle Show, 2026
- Services and freelancingOffering AI assessments that show businesses what they can automate, then building the solutions with tools like Claude. The founders started by texting people they knew.Under $100OnlineThe Koerner Office, 2026
- Services and freelancingWriting and editing articles for companies that pay for human experience and voice, with AI tools used as helpers. Clients come from Upwork and cold outreach.Under $100Part-timeOnlineThe Koerner Office, 2026
- Services and freelancingThe consultant interviews the owner of one business process, documents how it runs, cuts the wasted steps, and hands over current and future process maps. Automating the redesigned process is sold as a separate follow-on.Under $100Part-timeCorey Ganim (YouTube), 2026
- Content and mediaDocuments government processes for immigrants and earns commissions on services they need, such as banking, insurance and translations, plus some consulting.Hacker News, 2026
- Services and freelancingWrites technical documentation and grant proposals, matching funding sources to institutions.Under $100OnlineHacker News, 2026
- Software and appsMaintains a UI library for a programming language and gets income through GitHub sponsorships.Under $100OnlineHacker News, 2024
- Software and appsA privacy-friendly open source analytics tool for apps.OnlineHacker News, 2024
- Services and freelancingA file manager supporting many storage protocols. Earns by building custom plugins such as authentication layers.OnlineHacker News, 2024
- Digital productsWrites and self-publishes science fiction romance books on the side.Under $100OnlineHacker News, 2022
- Digital productsFound a popular product category on a code marketplace and built a better JavaScript image cropper and uploader to sell there.Under $100OnlineHacker News, 2022
- Content and mediaRuns a newsletter that profiles the home workspaces of makers and creators, earning recurring revenue.OnlineHacker News, 2022
- Software and appsAn open source tool for detecting website changes, with a paid hosted subscription and custom work for companies.OnlineHacker News, 2022
- Digital productsSelf-publishes fiction and is growing a backlist and an email newsletter to increase sales.OnlineHacker News, 2022
- Digital productsWrote helpful articles, collected them into a book sold on Gumroad, and also builds a monitoring SaaS on the side.OnlineHacker News, 2021
- Services and freelancingTranslates books about magic, often old ones found along the way, for an editor. It began as a hobby and now pays.Under $100Part-timeHacker News, 2019
- Services and freelancingA CTO with hiring experience helps founders figure out who they need to hire and how to approach them, including finding co-founders.Under $100Part-timeOnlineHacker News, 2019
- Teaching and coachingTaught guitar, theory and recording part-time, and now teaches small groups online and consults with bands on production and composition.Hacker News, 2019
- Physical productsWrites nonfiction books on science and curiosity topics, landing book deals with publishers based on the success of an earlier title.Under $100OnlineHacker News, 2019
- Services and freelancingDoes software consulting for a previous workplace after leaving it, adjusting the rate each year for inflation.Under $100Part-timeOnlineHacker News, 2019
- Services and freelancingCleans messy Excel data for companies and sometimes builds simple web apps to replace the spreadsheets. Bills per row, flat fee or hourly depending on the project.Under $100Part-timeOnlineHacker News, 2019
- Services and freelancingOffers business strategy consulting to startups using topographical business maps. Aims to help avoid costly mistakes and support fundraising.Part-timeOnlineHacker News, 2019
- Digital productsWrites and publishes erotic stories as Kindle ebooks and earns from sales.Under $100OnlineHacker News, 2018
- Software and appsMaintains a free open source gem for running test suites in parallel and sells a paid pro version of it. Revenue comes from pro subscriptions.OnlineHacker News, 2016
- Services and freelancingA solo consultant interviews a small business owner about daily pain points, runs the recording through AI to match problems to existing software, and delivers a short written report plus a walkthrough call. It is sold as a fixed-price diagnosis, and the buyer can then hire the consultant for the follow-up work.Under $100Part-timeOnlineThe Startup Ideas Podcast