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What’s your Moneyball IQ?Moneyball IQ

01 Moneyball Principle 1

The most expensive number in your business may be the one no one proved.

  • Your pricing has a number.
  • Your marketing has a budget.
  • Your team has a close rate.
  • Your schedule has a capacity.

But where did those numbers come from?

Guessing rarely looks like guessing once the business starts operating around it.

Moneyball for the Trades replaces assumptions with evidence, so you can make better decisions before an untested belief becomes an expensive result.

Join the Free Foundations ClassJoin free class

Free · live online · 45 minutes · no software demonstration

Recognition

Guessing does not always sound uncertain.

It sounds like:

  • “That is what we have always charged.”
  • “Those callers are only looking for the lowest price.”
  • “We need
    more leads.”
  • “The technicians need more training.”
  • “The market has slowed down.”
  • “That campaign
    is working.”

These statements may be right.

  • But repetitiondoes not make them evidence.
  • Confidencedoes not make them evidence.
  • Experiencedoes not make them evidence.

Every answer remains an assumption until the business proves it.

The reframe

A guess becomes dangerous when the company organizes around it.

  • A pricing assumption enters the pricebook.
  • A capacity assumption changes the marketing budget.
  • A lead quality assumption changes which campaigns remain active.
  • A performance assumption determines who gets coached.
  • A revenue assumption determines where the company invests next.

Soon, the assumption is no longer one person’s opinion. It is influencing calls, schedules, estimates, hiring, spending and revenue.

The company starts producing consequences from a belief it never tested.

That is why guessing costs money.

The mental model

Every untested belief creates an Assumption Tax.

The Assumption Tax is the cost created when a business acts on something it believes, but has not proven.

It can appear as:

  • Leads purchasedwhen booking is the real constraint
  • Discounts offeredwhen follow up is
    the real problem
  • Technicians blamedwhen the opportunity was poorly qualified
  • People hiredwhen existing capacity is being misallocated
  • Marketing cutwhen operations failed to convert the demand
  • Prices copiedwithout understanding the economics behind them

The cost does not always arrive immediately. It accumulates through repeated decisions.

One assumption becomes one process. One process becomes hundreds of outcomes.

The operating reality

Experience is still essential.

But as the business grows, the owner becomes further removed from the calls, estimates, decisions and outcomes that originally shaped that experience.

Experience should form the hypothesis. Evidence should decide.

Why growth changes
what an owner can see
Ellen Rohr

Proof through story · Ellen Rohr

She graduated at the top of her business class.Then she nearly sank a plumbing company.

Her education created confidence. Evidence corrected the decision.

Ellen Rohr had the education. She understood business. But when she entered her family’s plumbing company, money moved through the business all month, and there was never enough left at the end.

Calls came in. Jobs were completed. Customers paid.

The business appeared to be working.

The numbers told a different story. The company had been setting prices without fully calculating what each job had to carry:

  • Labor
  • Materials
  • Drive time
  • Equipment
  • Overhead
  • Callbacks
  • Financing costs
  • Required profit

The price looked reasonable because customers continued accepting it.

But customer acceptance did not prove the price worked for the company.

Ellen did not need a stronger opinion. She needed visibility into the economics behind the promise.

Read Ellen Rohr’s complete
story in The Journal

Ellen Rohr’s account and business history are attributed to her published biography and pricing material. The Moneyball interpretation is ours. No endorsement is implied.

Experience plus evidence

Moneyball does not eliminate instinct. It gives instinct something solid to stand on.

  • Experience sees the pattern.Evidence tests the pattern.
  • Experience raises the question.Evidence determines the answer.

That is the shift behind Principle 1.

  • Not from experiencedto inexperienced.
  • Not from human judgmentto blind automation.

From decisions supported by familiarity to decisions supported by proof.

Test the belief

Before your company acts, ask four questions.

  1. 01

    What are we assuming?

    State the belief without presenting it as a fact.

    “We believe lead quality is causing the booking decline.”

  2. 02

    What evidence supports it?

    Identify the calls, events, outcomes or financial evidence that would make the belief credible.

  3. 03

    What evidence would disprove it?

    Decide what would have to be true for the assumption to be wrong.

  4. 04

    What will it cost if we are wrong?

    Measure the consequence of acting, waiting or repeating the decision.

If your team cannot answer these questions, you do not have a conclusion yet. You have an assumption.

The contrast

The familiar playbook protects the answer. The Moneyball playbook tests it.

The familiar playbook

The Moneyball playbook

  • Start with the explanation

    Start with the question

  • Defend experience

    Use experience to form a hypothesis

  • Find numbers that support the belief

    Look for evidence that could disprove it

  • Debate whose report is right

    Follow the complete outcome

  • Act on the strongest opinion

    Act on the strongest evidence

  • Review what happened later

    Measure whether the decision worked

The goal is not to remove judgment. It is to stop judgment from becoming certainty before the evidence arrives.

Find the expensive assumption

What does your company currently believe without proving?

Ask your leadership team:

  • Are we assuming more leads will create more revenue?
  • Are we assuming unbooked callers were price shoppers?
  • Are we assuming unsold estimates were rejected?
  • Are we assuming a full schedule means capacity is being used well?
  • Are we assuming revenue proves the work was profitable?
  • Are we assuming every department defines success the same way?
  • Are we assuming an opportunity is lost when it may still be recoverable?
  • Are we assuming the report arrived soon enough to change the outcome?

Do not answer these questions from memory. Follow one real opportunity through the business.

The journey will either prove the assumption or expose it.

Control starts with the question

Guessing Costs Money is only the beginning.

Once you question the assumption, the company must be able to see the evidence and agree on what it means.

  1. Principle 01 · you are here

    Guessing Costs
    Money.

    Question the assumption before the business pays for it.

    Currently reading

  2. Principle 02 · next

    You Can’t Fix What
    You Can’t See.

    Make the process, constraint and outcome visible.

    Read Principle 2

  3. Principle 03 · then

    One Scoreboard.
    No Debates.

    Give the company one shared definition of what happened.

    Read Principle 3
Join the Free Foundations ClassJoin free class

Free live class

Find the assumptions quietly running your business.

In the Foundations of Moneyball for the Trades, you will learn

  • Why capable operators still make expensive assumptions
  • How to distinguish a symptom from the real constraint
  • Why separate reports can create conflicting conclusions
  • How the first three principles create operating control
  • How to test one important assumption inside your company

Three fields

Three fields · free live class · no software demonstration

This is a free, live 45 minute teaching session for owners and leaders in the trades.

It is not a software demonstration.

Varsha Mishra

Co-Founder, Revalytics · Operations and Product Development

[INSTRUCTOR CREDENTIAL, 40–60 WORDS. One verifiable fact and what changed for a business that applied this principle. Do not publish this block anonymous.]

Questions about Principle 1

Before you join.

Is Moneyball saying experience is unreliable?

No. Experience is essential. But experience reflects what the operator has personally encountered. As the company grows, no one person can see every call, estimate, handoff and outcome. Moneyball uses experience to form the hypothesis and evidence to determine the decision.

Does every decision require complicated analysis?

No. Most assumptions can be tested with a clear question, a shared definition and the right evidence. The goal is not more analysis. It is fewer expensive conclusions built on incomplete information.

Is this about replacing people with software?

No. Moneyball for the Trades is an operating philosophy. Its principles can be learned and applied without purchasing software. Technology can improve visibility, but it does not replace judgment or accountability.

Who should attend the Foundations class?

Owners, general managers and leaders responsible for marketing, customer service, operations, sales or financial performance inside a trade business.

Stop protecting the assumption

The decision may feel right. Make the evidence prove it.

Learn how the first three Moneyball principles help trade businesses replace assumptions, disconnected numbers and internal debates with clearer operating decisions.

Join the Free Foundations ClassJoin free class

Free · live online · 45 minutes · no software demonstration

Redefining How Trade Businesses Win.