Data engineer, scientist, builder, and indie hacker.

I’m CJ, a data engineer and scientist exploring the world of indie hacking and solopreneurship. With code, curiosity, and lots of tea, I build cool things and share the process.

$60 on Meta Ads, Zero Sales, and Three Other Things I'm Building

February 11, 2026

Switched from Google Ads to Meta Ads for ArtsyPetz. Way cheaper clicks, still no sales. Plus a new data business idea and a tool I built out of YouTube frustration.

I Spent $213 on Google Ads and Got 1 Customer

January 26, 2026

I ran a 6-week Google Ads campaign for ArtsyPetz. $213 spent, 210 clicks, 1 customer. Here's why I'm pivoting to Meta instead of optimizing.

I Got My First Stranger Sale. I Didn't Notice for a Month.

January 15, 2026

New dad, missed sale, and the self-sabotaging mindset I need to fix.

Week 11: Dog bar popup, sales lessons, and systematizing ideas

November 19, 2025

ArtsyPetz had its first in-person popup event at a dog bar in Boston. Zero sales during the event, but I learned more in 4 hours than I expected. Also built a framework to help me systematically come up with business ideas.

Startups

ArtsyPetzFounder
Custom pet portraits without the headaches, available as wall art, clothing, mugs, bags, and more.
In ProgressFounder
An insanely easy way grow your social media presence.
In ProgressFounder
Simplify making plans to hang out with friends and loved ones.