I escaped the rat race by investing in LEGO sets and Pokemon booster boxes. This newsletter documents how profitable they are. Being a free subscriber here gets you a glimpse. Paid gets you the full playbook. Enter your email below to sign up ↓
| Platform |  | Pricing | Freemium | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 518 | Founded | 5 years ago | Last Issue | 7 days ago |
| Active | |||||
Read this Newsletter
tienewsletter.comLatest Issues
TIE Pokémon Investing Market Performance Update - May 2026
Use this data to become an informed Pokémon card investor.
Welcome to my monthly Pokémon update where I monitor the prices and trends of sealed Pokémon cards released within the last five years or so.
The Best LEGO Sets to Invest in that Retire in July 2026 (v5.0)
Retirement is less than four months away for all of these sets...
This post is brought to you by me.
TIE Pokémon Booster Box Investing Portfolio Report - May 2026 (I hope you bought Ascended Heroes...)
Come take a look at which Pokémon Booster Boxes I own and how much money they've made me.
Welcome to a monthly series where I document the performance of my Pokémon booster box portfolio.
TIE LEGO Investment Portfolio Update - April 2026
Come take a look at which LEGO sets I own and how much my portfolio is worth.
The post is brought to you by me.
How I Measure Supply/Demand of Sealed Pokémon Booster Boxes for Investing
A few weeks ago, I published the first iteration of a monthly market performance update for sealed Pokémon cards from the Sword & Shield era forward:
The response was fantastic and prompted a few subscribers to ask the same question:
“How...
Key Facts
Audience Metrics
Subscribers, engagement, traffic and sponsorship for The Introvert Entrepreneur.
| Subscribers | Engagement | 75 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Chart Rankings
How this newsletter ranks in the official Substack charts.
| #106 | |
| #34 |
Authors
The writers behind this newsletter.
700+ people pay me monthly to write about investing in sealed plastic and cardboard. Also the founder of Diald.
Social
Frequently Asked Questions
How can I access the email archive for The Introvert Entrepreneur?
You can find recent issues that have been published by The Introvert Entrepreneur on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does The Introvert Entrepreneur have?
To see how many people subscribe to The Introvert Entrepreneur, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in The Introvert Entrepreneur?
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Introvert Entrepreneur as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like The Introvert Entrepreneur?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact The Introvert Entrepreneur using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to The Introvert Entrepreneur?
Scroll up to where it says Related Newsletters to see other publications like The Introvert Entrepreneur. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact The Introvert Entrepreneur?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.