Really Good Business Ideas

Really Good Business Ideas

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How Use a Custom Domain with Substack
And why you should.
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Casandra Campbell
Turn Prompts Into Profit: 5 Business Ideas That Leverage AI-Generated Images
There are more options than you think.
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Casandra Campbell
What Is The Average Paid Subscriber Conversion Rate on Substack?
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
2

April 2025

A Fun Product Business for People Who Love Their Community
You don't need any special skills and it's not subject to tariffs.
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Casandra Campbell
3
Everything You Need to Start and Grow a Business
No experience needed.
 • 
Casandra Campbell
How to Tell Your Network About Your Substack (Without Feeling Spammy)
This is a great way to launch with a bang!
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Casandra Campbell
2
16 Real Products that Were Vibe Coded
Real examples from different niches on a variety of platforms.
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Casandra Campbell
2
Why Substack Will Never Create a Platform-Wide Subscription (Like Medium Has)
And why this is a good thing!
 • 
Casandra Campbell
6
Prompt. Upload. Profit? The Truth About Selling AI Stock Images
How much you can really make and tips for success.
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Casandra Campbell
Which AI Image Tool Generates the Most Realistic Images?
Side-by-side comparisons of today's top tools.
 • 
Casandra Campbell
2

March 2025

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