Author of popular nonfiction books
Writes nonfiction books and earns from advances, royalties, foreign rights deals and Amazon affiliate links.
At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
- Category
- Physical products75% surex
- Earns from
- AffiliateLow confidence53% surex
- Startup cost (estimate)
- $100 to $1kLow confidence33% surex
- Time it takes (estimate)
- Hands-off83% surex
- Where
- Online76% surex
- Coding
- No coding needed93% surex
Source
Hacker NewsComment by jawns in “What was your best passive income in 2014?”, July 30, 2014
More physical products ideas
- Physical productsA subscription sends customers a story in physical letters on a regular schedule. Revenue is recurring subscription fees, with fulfillment handled by mail.The Koerner Office
- Physical productsA diaper bag brand designed to look less bulky than traditional bags, manufactured through Alibaba. Preorders and organic TikTok content helped fund inventory.Over $10kOnlineSide Hustle Nation, 2026
- Physical productsA home micro bakery selling sourdough, cinnamon rolls, cookies and bagels from a front porch on Saturday mornings. Customers preorder and items sell out to lines of local buyers.$100 to $1kThe Koerner Office, 2026
- Physical productsAn online store dropshipping high-ticket camper van and motorhome accessories in the UK, with the niche chosen from search and competitor data. Sales come through Google Shopping ads as an authorized reseller.OnlineSide Hustle Nation, 2026
- Physical productsBuying 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 personThe Koerner Office, 2026
- Physical productsGrowing gourmet and medicinal mushrooms such as oyster, lion's mane and reishi, starting in a very small space. It grew into a farm operation alongside a growing club.$100 to $1kSide Hustle Nation, 2026