2025: Personal Snapshot

personal-snapshot
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Affiliation
Published

February 24, 2026

Modified

February 24, 2026

I’m an independent AI consultant, trying to grow my business. This is my annual review. If it’s me rereading this, welcome back. This is Dylan from 2025.

Money & work

This was the year I made the most money. I grew my revenue by 13%. Growth came mostly from working on more projects with previous clients. I worked on 11 projects, with 6 clients. I did 6 deliverable-based projects and 5 time-based projects. Deliverable-based projects accounted for 57% of my revenue.

Revenue over time

Revenue over time

It became obvious to me that expanding your projects with existing clients is a lot easier than selling to new clients.

I also reduced costs by 11%. Most of the cost reduction came from firing a frontend developer that I had hired in 2024. I let him go because of AI progress. I could use Claude Code to get a better, cheaper, and faster version of the same services he was providing me. It didn’t make financial sense to keep him on board.

Still, I felt bad about it. He was a good guy, but he wasn’t a good fit. I also felt I didn’t do a good job during the hiring process. This cost me resources and time, so I’ll be more careful with the next hires.

GitHub contributions

GitHub contributions

This year I more than doubled my number of commits and wrote code 312 days of the year. It helped that some of the paid work I did was the econagents open source Python library. Sometimes I cheated, because I was tired and all I did was merge Dependabot’s PRs. I feel like I coded and learned quite a bit more than last year, but not as much as it looks.

Throughout the year, a recurring dilemma was whether to build a product or keep focusing on services. For the first half of the year, I dedicated quite a bit of time to Namemancer, a tool meant to help trademark lawyers speed up their research process. However, I kept seeing more market pull for services and struggled to make meaningful progress on it. I kept hoping I could magically advance on both fronts, but eventually had to face reality and decided to kill Namemancer.

And I felt relieved. I’ve come to understand that I need to be more disciplined and should focus on fewer things. I often end up spreading myself thin by taking on too many things at once and do a poor job at most of them.

Life

In late February, my wife, Maria, and I moved to Cork, Ireland for three months. This got off to a rocky start. We had been having some differences since the end of 2024, and the first few weeks in Ireland put this on steroids. We’ve been together for 15 years, eight of them married. We’ve had our share of difficult stretches, but this was one of the toughest.

Through many tough conversations and commitment from both sides, we successfully worked through it and grew closer together. Ireland went from a rocky start to one of the best experiences we’ve had as a couple. We traveled around the country, went for runs during sunset, tried every dairy product available, and really became a team again. We still cherish our time in Ireland, and even considered moving there!

We went back to Madrid in May, and then in July we moved to Salamanca, a small city to the north of Madrid. Maria found a good job opportunity, and since I can work from anywhere, we decided to pack our bags and go. We spent a good chunk of July and August moving. We went from a small, old 2-bedroom apartment to a newly renovated 4-bedroom apartment. It was a good change, especially for me, given that I work from home.

It was also a good year for reconnecting. I got to see friends I hadn’t seen in a while, we made hallacas again, and I spent a lot of time with my family. We had an especially fun Christmas and New Year’s.

Health

I lifted more weights this year but did less cardio. After we moved to Ireland, I started going to the gym instead of training at home. I kept doing this even after coming back to Spain. It’s been good for my mental health, as otherwise I’d often spend days without leaving my house. I’ve also gained more muscle mass compared to previous years.

My RHR is now at 56 bpm and VO2 max is at 46 ml/kg/min. Both are pretty much the same compared to last year. I think I need more cardio and better rest to move these markers.

The biggest health concern this year was sleeping issues and neck/back pain. The sleeping issues started a few weeks after I arrived in Ireland. It was a mix of stress and working from the same room where I was sleeping. On good days it takes me 15–20 minutes to fall asleep. On bad days, it can take me 2–3 hours. I’ve been able to improve this over time, but I still need to be careful with my sleep hygiene.

I have some small protrusions in my neck that get worse when I don’t sleep well or exercise. The last 3 months of the year were pretty stressful, so this got bad. It improved after I changed my home desk setup, did rehab exercises, and started going to the physio regularly.

What’s next?

No big lessons this year, besides the same one I’ve struggled with in the past: I still don’t know how to properly regulate myself. I have a hard time managing stress and that often lead to trouble sleeping and depression. I keep postponing looking for a long-term solution for this as I always find a way to push through, but I don’t think my current approach will work forever.

On the bright side, some exciting projects have come up for 2026. If things go well, I might finally grow my consulting practice beyond a one-man operation. You’ll have to come back next year to see how it goes.

Citation

BibTeX citation:
@online{castillo2026,
  author = {Castillo, Dylan},
  title = {2025: {Personal} {Snapshot}},
  date = {2026-02-24},
  url = {https://dylancastillo.co/posts/2025-personal-snapshot.html},
  langid = {en}
}
For attribution, please cite this work as:
Castillo, Dylan. 2026. “2025: Personal Snapshot.” February 24, 2026. https://dylancastillo.co/posts/2025-personal-snapshot.html.