Guides.
Production records, not tutorials. Each guide traces to a cutover that actually happened — with the case, the ADR verdict, and the checklists that make it repeatable.
~/guides/all
GUIDE · the complete Zero Trust record
Zero Trust for Small Business
A weekend Tailscale-to-Twingate cutover under DPI pressure — the case, the narrative, the ADR verdict, the hard parts, and the stack notes.
GUIDE · comparison · verdict from ADR-003
Tailscale vs Twingate Under DPI
Protocol-shape table, cutover metrics, and the openly-carried trade — decided by one observed event, not a feature matrix.
GUIDE · the cost record · six receipts
Cost Discipline: Every Dollar Not Spent
Six cost receipts in one URL — the $2,500/yr VPN saving, the $20 droplet vs $2,000 SaaS quote, the deleted $20/mo line, and the zero-bill pipelines, each linked to its proof.
~/guides/the-receipts
LEDGER · every number, one URL
Infrastructure Receipts Ledger
The cost sheet behind both guides — $2,500/yr firewall licensing eliminated, $20 droplets vs $2,000 quotes, the $20/mo line deleted.
INTAKE · five outputs · migration sketch
What I Ask Before Touching Your VPN
Starting a migration of your own? Send these five outputs and the sketch writes itself — the buying process disguised as a checklist.
Migrating something similar?
I led this cutover end to end — scope, migration, and guardrails. Tell me what you are running and I will reply with a migration sketch.