Reletter
Artwork for Diary of a Solo Entrepreneur

Diary of a Solo Entrepreneur

Ramon Rubio de Castro

Personal notes on building a business while holding down a corporate job and father of 3 kids.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues82Founded2 years agoLast Issue9 days ago
Active

Read this Newsletter

diaryofasoloentrepreneur.substack.c...
Artwork for Diary of a Solo Entrepreneur

Latest Issues

One Mind, Two Hands, Many Agents

The inflow

The number of people going solo is growing day by day. I don't need statistics to see it. This week alone, I met three of them.

None of them is an influencer. None of them has a personal brand. They are artisans, as Dan Koe...

9 days ago
4

How I got rejected from 88 job applications

This weekend I exported all my LinkedIn data.

Everything. Every post since I signed up, every article, every comment I’ve ever left, my private conversations, my connections, my followers.

One file was simply called Job Applications.

In...

20 days ago
1
1

I tried to buy back time, but they didn't let me

Yesterday I watched an interview with the CEO of Airbnb that stuck with me.

He was saying something we’ve been talking about in this diary for a while: artificial intelligence is compressing into a handful of years a cycle of progress tha...

a month ago
1
1

The 5 buckets that decide your career

I just finished The Diary of a CEO book by Steven Bartlett, and it surpassed my expectations.

We like to believe that life happens to us, but far more of it is in our hands than it looks.

The book gave me several insights I want to sh...

a month ago

This explains what's actually happening in the creator economy

As usual, time is our most valuable currency. I don’t want to waste yours — so let me front-load the value.

Today I simply want you to understand — or at least try to — why the new economy is rising, why we demand such specific content now...

2 months ago

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Diary of a Solo Entrepreneur.

SubscribersEngagement64Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Authors

The writers behind this newsletter.

  • Ramon Rubio de Castro

    37, father of 3, employed from 9 to 5, and building my own thing since 2023. This is where the knowledge gets shared.

  • Frequently Asked Questions

    How can I access the email archive for Diary of a Solo Entrepreneur?

    You can find recent issues that have been published by Diary of a Solo 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 Diary of a Solo Entrepreneur have?

    To see how many people subscribe to Diary of a Solo 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 Diary of a Solo Entrepreneur?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Diary of a Solo 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 Diary of a Solo 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 Diary of a Solo Entrepreneur using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Diary of a Solo Entrepreneur?

    Scroll up to where it says Related Newsletters to see other publications like Diary of a Solo 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 Diary of a Solo 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.