Really Good Business Ideas

Really Good Business Ideas

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January 2026

Substack Buttons: Your Complete Guide to High-Impact Calls to Action
Really good business ideas to help you start and grow a profitable business (including on Substack). All ideas are backed by research and analysis.
 • Casandra Campbell
Offline Is the New Online: The Unshittification Trend Creating New Business Opportunities
Plus 7 business ideas to take advantage of this trend.
 • Casandra Campbell
How to Filter Your Substack Subscribers by Section
A practical guide to seeing who’s subscribed to what (and how to use it).
 • Casandra Campbell
Everything You Need to Know to Start and Grow a Business on Substack
No experience needed.
 • Casandra Campbell
4 Substack Segments You Should Email
And how to find them.
Treatonomics Is Bigger than a Recession Cycle. It's a Cultural Shift
Why the lipstick effect no longer explains what’s happening.
 • Casandra Campbell
How to Email Your Substack Subscribers (Without Publishing a Post)
And why it's important.
 • Casandra Campbell
Is Substack Free? The Real Costs Explained for Writers and Readers
Really good business ideas to help you start and grow a profitable business (including on Substack). All ideas are backed by research and analysis.
 • Casandra Campbell
Want to Travel More This Year? Here’s My Work-From-Anywhere Setup
What I pack, check, and plan so travel doesn’t derail my work.
 • Casandra Campbell
© 2026 Casandra Campbell · Privacy ∙ Terms ∙ Collection notice
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