Really Good Business Ideas

Really Good Business Ideas

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Hindsight May Be 20/20, But That Doesn’t Make It Right
Really good business ideas to help you start and grow a profitable business (including on Substack). All ideas are backed by research and analysis.
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Casandra Campbell
A Complete Guide to Substack Visuals
All the visuals you need to make your Substack look great and feel unmistakably you.
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Casandra Campbell
12
Which AI Image Tool Generates the Most Realistic Images?
Side-by-side comparisons of today's top tools.
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Casandra Campbell
4
Photo Editing in Seconds, Not Hours
Gemini’s Nano Banana makes the kind of edits once reserved for pros accessible to everyone.
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Casandra Campbell
3
15 Substack Newsletters That Absolutely Nail Their Niche
These creators know exactly who they’re writing for—and it shows.
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Casandra Campbell
9
Collaboration Is the Growth Hack No One Talks About. Here’s How to Do It on Substack.
A practical guide to every collaboration feature on Substack.
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Casandra Campbell
3
10 Substack Fall Projects to Take Advantage of the Cozy Season 🍁
Turn the cozy season into a growth engine with these behind-the-scenes upgrades.
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Casandra Campbell
10
Want LLMs to Cite You? Here’s the Content Framework I Use
The exact shifts I’ve made to keep my work visible in the age of AI search.
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Casandra Campbell
2

August 2025

© 2025 Casandra Campbell
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