Really Good Business Ideas

Really Good Business Ideas

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12 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
7
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 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.
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Casandra Campbell
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.
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Casandra Campbell
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.
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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…
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Casandra Campbell
30
How to Add Tables to Your Substack Posts (Without Using Screenshots)
Substack doesn’t support tables, but this free tool makes it easy to embed them anyway.
 • 
Casandra Campbell
12
10 Substack Summer Projects to Take Advantage of the Slow Period ☀️
Turn the quiet season into a growth engine with these behind-the-scenes upgrades.
 • 
Casandra Campbell
10
Which Substack Categories Make the Most Money? Here's the Data
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
7
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