FILE 00 A CASE FOR THE OPOSSUM

OPOSSUMS

ARE

S-TIER

FILE 01 SUBJECT
SUBJECT

VIRGINIA OPOSSUM

Didelphis virginiana  ·  harmless  ·  ancient  ·  useful

FILE 02 DEEP TIME

70+

MILLION YEARS

Time-tested pedigree. Outlasted the dinosaurs.

FILE 03 RANGE

ONLY

MARSUPIAL

NORTH OF MEXICO

Range expanding north as winters warm.

FILE 04 DENTITION

50

TEETH

More than any other land mammal in North America.

FILE 05 THERMAL PROFILE

94°

BODY TEMP

RABIES? UNLIKELY.

Too cold for the virus to thrive. Cases in opossums are vanishingly rare.

FILE 06 CHEMISTRY

VENOM

RESISTANT

LTNF peptide neutralizes pit-viper venom. Eats copperheads.

FILE 07 THANATOSIS

PLAYS

DEAD

Involuntary stress reflex — drool, foul smell, frozen body. Can last up to ~4 hours.

FILE 08 APPENDAGE

PREHENSILE

TAIL

GRIPS
CLIMBS
BALANCES
FILE 09 MYTH / REALITY
MYTH
"DIRTY"
"RABID"
"MEAN"
REALITY
GROOM LIKE CATS
94° COLD-PROOF
BLUFF & BAIL
FILE 10 DIET

EATS

EVERYTHING

BUGS · SLUGS
RODENTS
CARRION
SNAKES & FRUIT
FILE 11 LYME ECOLOGY

LYME

DEAD-END

Low-competence host — ticks that bite them rarely catch Lyme.

FILE 12 SHEET

SPEC SHEET

70M
YEARS · LINEAGE
50
TEETH
13
JOEYS · MAX
94°
BODY TEMP
FILE 13 DYNASTY

INDIVIDUAL 2–4 YRS

SPECIES 70 MILLION

Short lives. Ancient blueprint. The franchise just keeps shipping.

FILE 14 VERDICT

RESPECT

THE

OPOSSUM

THEY'RE ON YOUR SIDE

Over the holiday my family did a PowerPoint Night I made that one in thirty minutes because I had the tools for the job.

VBRC · 10TH ANNUAL · 2026 17 / 36
A 40-Minute Briefing

Making Internal
Business Tools
With AI.

Stop chatting. Start building.
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 17 / 36
VBRC · 04 18 / 36
THE SHIFT

Most people use AI
to answer questions.

What everyone does

Ask it
things.

Type a question. Read the answer.
Copy. Paste. Done.
→ AI as advisor.

What you can also do

Have it
write software.

Describe a tool. It writes the code.
You open the file. It works.
→ AI as your in-house builder.

CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 18 / 36
VBRC · 05 19 / 36
THE OBSERVATION

You pay for software.
You use five percent of it.

QuickBooks — but you only use "send an invoice" $35/mo
Jobber — but you only use "who's on what truck" $50/mo
HubSpot — but you only use "a list with notes" $25/mo
Typeform — but you only use "get an inquiry" $25/mo
Excel / M365 — but you only use "a clean chart" $15/mo
A YEAR, ON FEATURES YOU MOSTLY DON'T USE
$1,800
What if you just built the five percent you actually use?
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 19 / 36
VBRC · INTERLUDE 20 / 36
A QUIET ASIDE

Some tools live forever.
Some live an afternoon.

Permanent
Your invoice tool. Your dashboard.

You'll use these every week. They grow with the business.

Disposable
A one-time signup form. A scheduling page for one event.

Built in an hour. Used for a day.
Software used to be too expensive for that.
Not anymore.

CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 20 / 36
VBRC · DEMO 01 21 / 36
Demo 01 — Inquiry

Ask the questions
you actually need.

Replaces · Typeform · Jotform · ~$25/mo ~1 hour → Next: live tool
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 21 / 36
Demo 01 · Inquiry
22 / 36
VBRC · DEMO 02 23 / 36
Demo 02 — Customers

Track customers.
Log calls. Set follow-ups.

Replaces · HubSpot · Salesforce · ~$25/mo ~3 hours → Next: live tool
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 23 / 36
Demo 02 · Customers
24 / 36
VBRC · DEMO 03 25 / 36
Demo 03 — Schedule

Schedule the crew.
Track the trucks.

Replaces · Jobber · Housecall Pro · ~$50/mo ~6 hours → Next: live tool
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 25 / 36
Demo 03 · Schedule
26 / 36
VBRC · DEMO 04 27 / 36
Demo 04 — Invoice

Fill out a form.
Get a polished PDF.

Replaces · FreshBooks · QuickBooks invoicing · ~$35/mo ~3 hours → Next: live tool
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 27 / 36
Demo 04 · Invoice
28 / 36
VBRC · DEMO 05 29 / 36
Demo 05 — Dashboard

Drag in a messy CSV.
Get a dashboard.

Replaces · Excel BI · ~$15/mo ~2 hours → Next: the messy CSV
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 29 / 36
Raw export · before the dashboard
30 / 36
Demo 05 · Dashboard
31 / 36
VBRC · TALLY 32 / 36
FIVE TOOLS · ONE FOLDER
All five demos · in this deck

~$1,800
a year.

Built in two days. Sitting in one folder. No subscription.
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 32 / 36
VBRC · BOUNDARIES 33 / 36
A QUICK CAVEAT

Some things still need
a real expert.

01
Regulated data

HIPAA, payment cards, payroll, anything the IRS wants — get those tools from someone whose name is on the line.

For example: we almost built a sign-on-screen tool for this talk — and didn't. Signatures and contracts belong with people whose name is on the liability insurance.

02
Customer-facing logins

A landing page is fine. A login form on the open internet is not. If strangers can poke at it, have it reviewed.

03
Expensive to be wrong

Tax math. Dosing. Anything where the wrong number costs real money. These need a licensed human in the loop.

These tools live inside your business. On your machine. For your eyes.
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 33 / 36
VBRC · HOW TO 34 / 36
HOW TO ACTUALLY DO THIS

You're not learning to code.
You're learning to direct.

1
Pick a tool. Then try another. Claude Code · Cursor · Codex · Copilot · Gemini · ChatGPT — they're all great, and each one's a little different. Spend a month with one, then shop around.
2
Tell it what you want, in plain English. "Build me a single HTML file that takes a CSV and shows a dashboard."
3
Open the file. Try it. Tell it what to fix. It iterates with you. Like an assistant who never sleeps.
4
Your data stays on your machine. Nothing you saw today phoned home. The five tools sit in a folder on a laptop.
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 34 / 36
VBRC · CLOSE 35 / 36

Build the tool
you need.

Not the tool someone else built for someone else.

CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 35 / 36
VBRC · TAKE IT HOME 36 / 36
EVERYTHING YOU SAW TODAY
CHRISTOPHER KLEINMAN MAKING INTERNAL BUSINESS TOOLS WITH AI 36 / 36
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