Code99 / Learning Center

The Learning Center

How-tos, what worked in the field, and try-this-instead calls. Pulled from real businesses, updated as the tools change. Free, no login, no funnel.
try-this

If Your Invoices Still Come From a Free Email Account, Try This

A 10 thousand dollar invoice from a free email address reads as a hobby. Domain email and real invoice software cost less than one lost job.

September 9, 2026
how-to

How To: Build a Review Engine With a QR Code and a Handshake Moment

A phenomenal review is worth hundreds in future work. Build a simple engine: one QR code, one handshake moment, one ask, every single job.

September 2, 2026
this-worked

This Worked: The Honest No

I inspected 26 roofs and only one was worth filing on. Telling the other 25 the truth cost me nothing and bought me the whole neighborhood.

August 26, 2026
how-to

How To: Read a Contract Without a Law Degree

Gotcha clauses hide in plain sight. How to use AI to gut a 200 page contract in minutes, find what bites, and know when to pay a real attorney.

August 19, 2026
this-worked

This Worked: The Whiteboard Meeting Before the First Hammer Swings

Deals die in sloppy handoffs, not on roofs. The whiteboard meeting that puts every name, date, and decision maker in writing before work starts.

August 12, 2026
how-to

How To: Run Objection Practice With AI Before You Knock

One rep got hit with the same objection 35 times in a week. Drill your answer with an AI sparring partner before the door, not on the customer.

August 5, 2026
this-worked

This Worked: The 48 Hour Follow Up Standard

Claims filed the day after the storm were built in 90 days. The slow ones took years. Why a 48 hour follow up standard reads as competence.

July 29, 2026
try-this

If You Cannot Remember What You Quoted, Try This Stack

The three-tool stack that replaces your memory: a recorder, an AI assistant, and your own ledger. Under $200 to start, most of it free.

July 22, 2026
this-worked

This Worked: 300 Photos on Every Commercial Roof

Most contractors take 10 photos. We took 300. Here is what obsessive photo documentation actually bought us on commercial projects, and how to do it without drowning.

July 22, 2026
how-to

How To: Recorded Meeting to Sent Follow-Up in 10 Minutes

The exact loop: record the meeting, run the transcript through AI, send the follow-up with every number you quoted, same day. Ten minutes, start to finish.

July 22, 2026