Walt Builds.

Blog

Long-form writing on custom AI, software development, and the tools we build for local businesses — what they actually cost, how they're built, and what we've learned shipping them.

[60 entries · newest first]

[Featured]

How AI Decides Who to Recommend

When a customer asks ChatGPT who to hire, the answer isn't an ad and it isn't keywords. It's whether the model can find you, understand you, and trust you enough to say your name. Here's what that machine actually reads — and how to give it something worth quoting.

AIJul 23, 2026 · 6 min
[AI]

The Missed Call Is the Most Expensive Thing in Your Clinic

AIJul 14, 2026 · 6 min
[Law]

Your Intake Form Might Be a HIPAA Problem

LawJul 10, 2026 · 6 min
[Engineering]

What "Production-Ready" Means When We Say It

EngineeringJul 6, 2026 · 6 min
[Web]

Chasing a Perfect Lighthouse Score on a Real Business Site

WebJul 2, 2026 · 6 min
[Web]

What a Rural Water Utility Actually Needs From Its Website

WebJun 28, 2026 · 5 min
[Web]

An RV Park Asked for a Logo. What They Needed Was a Booking Path.

WebJun 24, 2026 · 5 min
[AI]

I Gave My AI Idle Time and It Started Drafting Revenue

AIJun 18, 2026 · 6 min
[AI]

The Reflective Layer: Four Minds in a Markdown File

AIJun 18, 2026 · 6 min
[AI]

The Gate Every Money Decision Has to Pass

AIJun 18, 2026 · 5 min
[AI]

The Day My AI Started Fixing Itself

AIJun 18, 2026 · 6 min
[AI]

My AI Safety Tool Publishes Its Own Failures Every Time It Runs

AIJun 16, 2026 · 4 min
[AI]

I Taught My AI to Never Raise a Loyal Client's Price

AIJun 16, 2026 · 4 min
[AI]

Safety Is Not Ethics — and Confusing Them Is How AI Hurts People

AIJun 16, 2026 · 4 min
[AI]

I Built an AI Safety Tool That Blocks Nothing. On Purpose.

AIJun 16, 2026 · 4 min
[AI]

The Glass Box: Building AI You Can Actually Watch Think

AIJun 16, 2026 · 11 min
[Law]

AI for Law Firms: Start With Intake, Not a Robot Lawyer

LawJun 9, 2026 · 5 min
[AI]

Buy the Asset, Not the Subscription

AIJun 9, 2026 · 6 min
[AI]

I Built a GUI So I'd Never SSH Into a GPU Again

AIJun 9, 2026 · 5 min
[Construction]

I Built the Marketplace for a Truck, Not a Desk

ConstructionJun 9, 2026 · 5 min
[Construction]

Measure Twice, Deploy Once

ConstructionJun 9, 2026 · 5 min
[Law]

The Billable Hour Meets the Language Model

LawJun 9, 2026 · 6 min
[Construction]

What I'd Tell a Contractor Before They Buy Software

ConstructionJun 9, 2026 · 6 min
[Construction]

I Built a Construction Company a Brain

ConstructionJun 8, 2026 · 5 min
[AI]

I'm Not Building a Model. I'm Building a System That Grows One.

AIJun 3, 2026 · 9 min
[AI]

I Gave My Computer a Photographic Memory. Now You Can Run It Too.

AIJun 3, 2026 · 9 min
[Construction]

Estimating Is the Hardest Math on a Job Site. So I'm Teaching It to a Machine.

ConstructionJun 3, 2026 · 6 min
[AI]

I Wired My AI's Eyes Into Its Brain. It Watched Me Do It.

AIJun 3, 2026 · 8 min
[Construction]

I Fixed a Security Hole by Deleting 88 Lines of Code

ConstructionJun 3, 2026 · 5 min
[AI]

The Four Questions I Run Every AI Feature Through

AIJun 3, 2026 · 8 min
[AI]

I Don't Ask If My AI Is Conscious. I Ask What Its Φ Is.

AIJun 3, 2026 · 8 min
[AI]

The Format Where a Model Can't Emit an Invalid Call

AIJun 3, 2026 · 10 min
[AI]

I Shipped a Screen-Memory Engine. Then I Found Out My Own Copy Was Blind.

AIJun 3, 2026 · 6 min
[AI]

Your Business Doesn't Need ChatGPT. It Needs Its Own Model.

AIJun 3, 2026 · 7 min
[AI]

I Don't Call an AI API. I Own the Model.

AIJun 2, 2026 · 9 min
[AI]

What It's Actually Like to Build a Second Brain

AIJun 2, 2026 · 10 min
[AI]

Building Minds Should Scare You a Little

AIJun 2, 2026 · 6 min
[AI]

Formal Verification for a Team of One

AIJun 2, 2026 · 10 min
[AI]

Give Your AI a Memory: A 30-Minute Build

AIJun 2, 2026 · 11 min
[AI]

Giving an AI Eyes

AIJun 2, 2026 · 9 min
[AI]

Renting 128GB of VRAM to Make Pixel Art

AIJun 2, 2026 · 7 min
[Construction]

I Run My Codebase Like a Job Site

ConstructionJun 2, 2026 · 5 min
[AI]

Why I Run Four AIs at Once

AIJun 2, 2026 · 8 min
[AI]

The Brain: Anatomy of an AI That Remembers Me

AIJun 2, 2026 · 13 min
[AI]

The Chinese Room Has a Door

AIJun 2, 2026 · 7 min
[AI]

How I Think in a Box of Notes

AIJun 2, 2026 · 8 min
[AI]

Running a Distributed AI System Across Three Machines

AIJun 2, 2026 · 10 min
[AI]

What Custom AI Actually Costs a Small Business in 2026

AIJun 2, 2026 · 7 min
[AI]

Most AI Consultants Have Never Trained a Model. I Train One Every Week.

AIJun 1, 2026 · 6 min
[AI]

The Most Speculative Thing I Believe About AI

AIJun 1, 2026 · 7 min
[Construction]

I Built a Contractor Marketplace Where You Can't Browse Contractors

ConstructionJun 1, 2026 · 6 min
[AI]

Tessera: Why I'm Writing AI Agents in Markdown

AIMay 23, 2026 · 11 min
[AI]

Substrates: Giving an Agent Named Modes of Thinking

AIMay 21, 2026 · 9 min
[AI]

Verifying AI Agents Before They Ever Run

AIMay 19, 2026 · 10 min
[AI]

Cognitive Traits: Channeling Maladaptive Patterns into Better Reasoning

AIMay 17, 2026 · 8 min
[Construction]

From Construction Sites to Codebases: 7 Months Self-Taught

ConstructionApr 10, 2026 · 8 min
[Construction]

Fine-Tuning a Construction Estimation LLM from Scratch

ConstructionApr 6, 2026 · 12 min
[AI]

Building With AI, Not Around It

AIMar 28, 2026 · 6 min
[Construction]

Designing a Three-Sided Construction Marketplace

ConstructionMar 14, 2026 · 9 min
[AI]

Shipping Code While You Sleep

AIMar 8, 2026 · 8 min