All Side Hustle Ideas
Every idea links to its source

Side hustle ideas from people who actually run them

Real side businesses, described by their owners. Filter by cost, time and how they earn.

Ideas
651
ideas
Publications
14
publications and shows
Categories
8
categories

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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 data

34 ideas

  • Physical products
    Buying poorly listed couches, negotiating the price down and reselling them with better photos, including AI-generated backgrounds. The operator is a teenager working in spare time.
    Online and in person
    The Koerner Office, 2026
  • Physical products
    Sold unprocessed goat milk to a zoo's exotic animal nursery, used to feed young animals.
    In person
    Hacker News, 2026
  • Rentals and assets
    The operator imports vending machines that dispense perfume and places them in venues. Sales come from customers buying from the machines. The owner dropped it as too much hassle.
    Over $10kIn person
    The Koerner Office, 2025
  • Digital products
    Writes a newsletter of real-world projects for learning programming, and sells paid courses.
    Online
    Hacker News, 2024
  • Physical products
    Makes and sells notebooks with music staff paper for musicians.
    Online
    Hacker News, 2021
  • Physical products
    Makes and ships a gadget for a small niche market from home, with no software in the product, and also plays music part-time.
    Hacker News, 2021
  • Rentals and assets
    Takes preorders for expiring domains and tries to catch them when they drop, and also holds a portfolio of domains for later development.
    Online
    Hacker News, 2019
  • Physical products
    Sells products as a third-party seller on Amazon, treated as a semi-passive side business.
    Online
    Hacker News, 2019
  • Physical products
    Dry ages meat in specialized fridges and bags in a place where it is hard to find, then resells it online and over messaging apps at a large markup.
    Online and in person
    Hacker News, 2019
  • Physical products
    Makes wooden items with a laser cutter based on video games and shows, and sells them on Etsy. Covers materials and machine time.
    $1k to $10kA few hours a week
    Hacker News, 2019
  • Physical products
    Designed hardware and an iPhone app that remotely control arrays of cameras. Sold mainly to photo booth operators.
    Hacker News, 2019
  • Physical products
    Sells folk music CDs and handmade items at science fiction and fantasy conventions.
    $100 to $1kIn person
    Hacker News, 2019
  • Physical products
    Keeps chickens and sells the eggs, which covers little more than feed costs.
    A few hours a week
    Hacker News, 2019
  • Physical products
    Keeps bees and sells the honey, which brings in a few thousand a year.
    Hacker News, 2019
  • Physical products
    A website where customers tailor a writing pad to their handwriting style, sold as a physical product.
    Online
    Hacker News, 2019
  • Physical products
    Sells phosphorescent cosmetic modifications for synthesizers, a niche hardware accessory product.
    $100 to $1kOnline
    Hacker News, 2019
  • Physical products
    Dyes small batches of yarn with traditional methods for a small group of weavers who want specific colors.
    $100 to $1kOnline and in person
    Hacker News, 2019
  • Physical products
    Makes jelly by hand from berries grown in the garden and sells it through word of mouth.
    Hacker News, 2019
  • Physical products
    Designs outlines for cases cut on a maker space laser machine and sells them on eBay. Local materials make it possible to undercut imports on price.
    $100 to $1kOnline and in person
    Hacker News, 2019
  • Physical products
    Sells genuine Intel processors on a local classifieds site in a country where import costs make online marketplaces hard to use, earning a margin on each sale.
    A few hours a weekOnline
    Hacker News, 2019
  • Physical products
    Designs and sells music notebooks with generated staff lines, using scripts to produce the print-ready PDF. Sold online and the owner is working on getting stores to carry them.
    Hacker News, 2019
  • Physical products
    Sells high-quality pet toys, treats and collars, and started with dog-themed T-shirts printed and shipped by a supplier. Holds pet inventory at home and ships orders.
    Online
    Hacker News, 2019
  • Software and apps
    Publishes a few small utility apps on the App Store and keeps improving them. Income comes from app sales.
    $100 to $1kOnline
    Hacker News, 2018
  • Physical products
    Resells items found at home, thrift stores and clearance sales through online marketplaces, and is looking at retail arbitrage on Amazon.
    Under $100
    Hacker News, 2017
  • Physical products
    Designs and builds adapters that turn surplus server power supplies into general purpose 12 volt supplies. Sold as a physical hardware product.
    Hacker News, 2016
  • Digital products
    Designed watch faces for a smartwatch and sold them at the lowest price in the store. Sales were strong at first, then copies appeared and they pulled the apps.
    Under $100Online
    Hacker News, 2016
  • Software and apps
    Builds iPhone apps for groups like skydivers and beer fans, earning from sales and Apple affiliate links.
    Online
    Hacker News, 2014
  • Digital products
    Turned a portfolio site into a WordPress theme sold on ThemeForest, plus answering support emails.
    A few hours a weekOnline
    Hacker News, 2014
  • Digital products
    Opens new credit cards regularly for sign-up bonuses and redeems them for travel, and plans a course teaching the method.
    Online
    Hacker News, 2014
  • Physical products
    Designed a London map in a historic style and sells it as a physical product online.
    A few hours a weekOnline
    Hacker News, 2014
  • Digital products
    Wrote a book about payments with Stripe for Rails developers, backed by related blog posts and content.
    Online
    Hacker News, 2014
  • Software and apps
    Built and sells an iOS app that simulates trading.
    Online
    Hacker News, 2014
  • Physical products
    Sells grafting tools made by a relative's family company through an online store, after testing demand on eBay.
    A few hours a weekOnline
    Hacker News, 2011
  • Physical products
    A small hardware device that reads digital sensors and outputs data through a serial connection, sold to customers.
    Online and in person
    Hacker News, 2011