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Steep Insights

William Dietz
Tens of paid subscribers

Steep Insights provides in-depth yet accessible content about the global tea industry, covering everything from market trends and supply chain to tea production and regional terroir stories.

Platform
Substack
PricingFreemiumPublishesWeekly
Issues66Foundeda year agoLast Issue4 days ago
Active

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steepinsights.substack.com
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Latest Issues

Starting a Tea Business in 2026: What I Wish Someone Had Told Me

A note from Billy: this article is by my partner in BDH Consultants and Steep Insights: Founder’s Circle, Don Ho, who built Harmony Tea Bar to four locations and an exit in 2020. Take it away, Don.

For ten years I was an attorney. Most day...

4 days ago
2

The Messy Truth About Wellness and Functional Tea Claims

Wellness and functional tea claims rarely survive scrutiny. I looked into saffron for its effects on depression and anxiety, and was surprised by what I found.

Scanning and researching supplements and natural products often feels like wand...

10 days ago
3
6
Paid

Start a Tea Business for $1,000: The Cost Breakdown

I talk with many hopeful tea entrepreneurs every month. It’s one of my favorite things to do because I get to hear the fresh ideas and new spins, and see the energy pulsing in the tea industry. I always ask about finances and what people’s...

18 days ago
2

Blended and Flavored Tea Isn't the Lesser Category You've Been Told

Blended and flavored tea gets dismissed as inferior. The truth is closer to skilled cooking, and it's quietly driving the industry's revenue.

This piece was originally published in June 2025 and has been updated with a new title and includ...

25 days ago
3
2
Paid

Why Is Earl Grey Tea So Popular? A Professional Tea Blender's Take

Love it or loathe it, everyone in the tea industry works with Earl Grey somehow. Most tea brands cite Earl Grey as at least one of their top three best sellers, if not the top. It dominates every grocery tea assortment, from bougie Upper Ea...

a month ago
8
7

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Authors

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  • William Dietz

    Tea industry consultant with 20+ years’ experience. Ex-R&D lead at DAVIDsTEA, co-founder of BDH Consultants and the Steep Insights: Founder's Circle, and author of Spill the Tea.

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