Notes.
Long-form posts on cost engineering, infra, and the craft of shipping small tools. Most numbers are taken from real systems — those that aren’t are flagged as illustrative.
- Apr 25, 2026
Where a constraint solver beats hand-scheduling — a Stripboard / Movie Magic benchmark walkthrough
Walking through the indie-feature fixture from the public Stripboard benchmark — what the solver does differently, where Movie Magic still wins, and what to read in the methodology before you trust either set of numbers.
- Apr 24, 20269 min read
100k concurrent on $19/month — how Futbolis stayed cheap
A cost-engineering walkthrough of the live football board behind Futbolis. SSE on Vercel + a $5 Fly Redis box, fanout math, and the ten lines of code that kept the bill from blowing up.
realtimecost-engineeringsse