Really Good Business Ideas

Really Good Business Ideas

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Unlock Better Insights: How to Use Google Analytics to Understand Your Substack Traffic (For Free!)
Substack’s stats are fine… until you actually want to understand your audience.
 • 
Casandra Campbell
Everything You Need to Start and Grow a Business
No experience needed.
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Casandra Campbell
From ‘Maybe’ to ‘Yes’: The Simple Language Shift That Sells More
A subtle shift in how you phrase offers can make customers more likely to say yes, without changing your prices, products, or policies.
 • 
Casandra Campbell
Everything You Need to Know to Start and Grow a Business on Substack
No experience needed.
 • 
Casandra Campbell
1
Most People Get Headline A/B Testing Wrong. Here’s How to Do It Right.
Learn how to design smarter headline tests and get real insights.
 • 
Casandra Campbell
The 10 Habits That Supercharged My Productivity (Without More Hours)
Warning: I’ve nuked voicemail, social media, and even inbox zero.
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Casandra Campbell
9
Substack Pricing Explained: What It Costs, What to Charge, and What Works
Everything you need to know about Substack’s fees, creator earnings, and how to set the right price for your newsletter.
 • 
Casandra Campbell
4
17 Free Newsletter Directories to Promote Your Publication
And 16 more you can safely ignore.
 • 
Casandra Campbell

July 2025

Why Signal Is My Default Messaging App (And Why It Should Be Yours, Too)
A quiet, powerful upgrade for entrepreneurs who want more focus, less noise, and total control over their communication.
 • 
Casandra Campbell
5
500K+ Subscribers? These 34 Publications Are Doing It
A data-backed look at the biggest Substack newsletters and the trends behind their growth.
 • 
Casandra Campbell
4
Your Next 100 Followers Are Closer Than You Think
A new study shows that the best way to grow isn’t by chasing strangers; it’s by engaging with the people already near your network.
 • 
Casandra Campbell
6
Steal Their Secrets: 23 Newsletters That Will Help You Succeed on Substack
Learn directly from the writers who’ve cracked the code. These newsletters are packed with insights on growth, monetization, and building a loyal…
 • 
Casandra Campbell
30
© 2025 Casandra Campbell
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