All Side Hustle Ideas
Physical products

Snail-mail story subscription

A subscription sends customers a story in physical letters on a regular schedule. Revenue is recurring subscription fees, with fulfillment handled by mail.

At a glance
Estimated by a classifier that read the source. The bar shows how sure it was.
Category
Physical products
81% sure
x
Earns from
Subscriptions
96% sure
x
Startup cost (estimate)
$100 to $1kLow confidence
52% sure
x
Time it takes (estimate)
Part-timeLow confidence
41% sure
x
Where
Online and in personLow confidence
53% sure
x
Coding
No coding needed
94% sure
x
Source
The Koerner OfficeThe Flower Letters, with Chris Koerner. “The Simplest $7M Business You've Never Heard Of (Ep. #283)”
In their words, not verified by us$7M in revenue last year.

  • Physical products
    An anti-inflammatory coffee brand made with turmeric, produced by a local manufacturing partner. Sales come from subscriptions, bundles and influencer-driven social proof, run alongside a full-time job.
    $1k to $10kOnline
    Side Hustle Nation, 2026
  • Physical products
    Wrote a regular expressions pocket reference for a technical publisher, earning ongoing royalties.
    Hands-offOnline
    Hacker News, 2019
  • Physical products
    A diaper bag brand designed to look less bulky than traditional bags, manufactured through Alibaba. Preorders and organic TikTok content helped fund inventory.
    Over $10kOnline
    Side Hustle Nation, 2026
  • Physical products
    A 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 $1k
    The Koerner Office, 2026
  • Physical products
    An 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.
    Online
    Side Hustle Nation, 2026
  • 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