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Practical reference materials condensed from years of field work. Download immediately, use indefinitely.
Digital Guides & References
The Complete OBD2 Diagnostics Guide
A 50+ page field-tested guide covering OBD2 fundamentals, code interpretation, diagnostic procedure, scanner selection, and manufacturer-specific quirks. Written from actual scan tool experience.
Laptop Upgrade Pro — Interactive App
200+ laptop models (2020–2026) with RAM maximums, M.2 slot types, Wi-Fi compatibility, skill difficulty ratings, and iFixit repair guide links. Access via license key on the interactive upgrade finder tool — no download needed, always up to date.
Home Network Setup Blueprint
Network diagram templates, equipment selection guides, VLAN setup instructions, and Wi-Fi placement strategies for home and small office setups. Includes a gear checklist.
The Subaru Fault Code Reference
Complete reference for Subaru OBD2 codes including manufacturer-specific B, C, and U codes that generic scanners miss. Includes P1604 diagnostic flowchart and common Subaru-specific causes.
Zebra Scanner Quick Config Cheat Sheet
123Scan ADF rule templates, common symbology configurations, and barcode scanner setup procedures for distribution and retail environments. Print-ready reference card.
Merch
View full store →Print-on-demand gear for people who read the error message. Printed and shipped by Printful.
"I Read the Error Message." Tee
For the person at the table who actually reads the stack trace.
"No Ticket, No Fix It" Hat
Field service culture in four words. If it wasn't logged, it didn't happen.
"It Works on My Bench." Jersey
The field tech version of "works on my machine." Game day gear for the diagnostics crowd.
"Clear Your Customer's Codes" Sticker
A message for every tech who's had to explain this. Again. Weatherproof vinyl.
"I Read the Error Message." Tee (Men's)
Men's slim fit cut of the fan favorite. Same message, different silhouette.
"Get Your Own 10mm" Doormat
For the shop, the garage, or the front door. Greets guests with appropriate energy.