The Hobby Trinity
A sports card newsletter for collectors and flippers—real hobby stories, market insights, and practical plays to build your PC, move inventory, and buy smarter.
| Platform |  | Pricing | Freemium | Publishes | Daily |
|---|---|---|---|---|---|
| Issues | 84 | Founded | 6 months ago | Last Issue | 11 days ago |
| Active | |||||
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thehobbytrinity.substack.comLatest Issues
I Built a Hobby Operating System. Now I Need You to Break It.
Hobby Trinity OS is live.
That still feels a little strange to type.
What started as a pile of calculators, trackers, spreadsheets, notes, and half-finished ideas has turned into an actual platform for collectors.
Now I need people i...
The Back Office: Why Most Card Collections Aren’t Actually Bankrolls
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Open the closet.
You know the one.
The storage boxes. The slabs. The top loaders. The one-touches. The random mail-day stack near your desk that was supposed to be “temporary” sometime around last baseball season.
Now ask...
Hype Audit: Someone Else’s Exit Receipt
**As always, this is not financial advice. These are the actual moves I’m making with my own money, for my own goals. You should do your own research, understand your own risk tolerance, and make your own decisions. I’m not responsibl...
The Hobby Trinity Was Never Supposed to Become This
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If you’ve noticed I’ve been a little quieter lately, you’re right.
I haven’t disappeared, burned out, or sold the collection to buy a bass boat. Although, if Topps announces another 37 parallels of the same card next week, I...
The Weekly Board Meeting: All-Star Week Is a Liquidity Test
**As always, this is not financial advice. These are the actual moves I’m making with my own money, for my own goals. You should do your own research, understand your own risk tolerance, and make your own decisions. I’m not responsibl...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for The Hobby Trinity.
| Subscribers | Engagement | 70 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
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Authors
The writers behind this newsletter.
Husband. Dad. Sports Enthusiast. Back in the hobby after the typical "growing up" hiatus. Here to help others, new or old, get the most out of sports card collecting.
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