• $100M Book Club
  • Posts
  • The Mom Test - Rob Fitzpatrick: 8 simple tips that predict product success

The Mom Test - Rob Fitzpatrick: 8 simple tips that predict product success

Without spending months building the wrong thing

Scan Time: 3-5 minutes / Read time: 7-9 minutes

Chapters in book: 8 / Chapters in here: 8

Hey rebel solopreneurs 🦸‍♂️🦸‍♀️

Are you frustrated with creating digital products that no one buys, despite saying they love your ideas?

If you don't solve this problem, you'll burn through your savings on products nobody wants. That's super scary!

The Mom test from Rob Fitzpatrick will help you get honest feedback. Then you can build products your customers actually want.

Just like how The Avengers had to stop fighting each other to solve the real problem, you need to start asking questions that reveal the truth instead of getting polite but misleading answers!

Ready to learn exactly how to get honest customer feedback so you can create successful digital products on your first try?

Let's rock and roll!

💰 Multi-millionaire entrepreneurs who love this book

Entrepreneur name

Net worth status

Source

Hiten Shah

Multimillionaire

Source

Eric Migicovsky

Multimillionaire

Source

Carlos Espinal

Multimillionaire

Source

Simon Murdoch

Multimillionaire

Source

Connor Murphy

Multimillionaire

Source

John Mullins

Multimillionaire

Source

🚫 Traditional methods which the author disagrees with

  • Asking people if your idea sounds good or interesting

  • Showing people your solution before learning about their problems

  • Getting excited when people say nice things about your product idea

🍹 The book's core solution

  • The Mom Test

  • You'll learn specific question techniques that get potential customers to reveal their true buying behaviors instead of just giving you polite compliments about your idea

  • This helps you create products your customers want and will pay for (how cool is that!)

🔮 The author's journey: Startup failure to customer conversation master

  • Rob Fitzpatrick was once a struggling entrepreneur just like you

  • He built several tech startups that looked promising but ultimately failed in the market

  • The painful truth hit him - he'd wasted years building products nobody wanted to pay for (burning through $100,000+ of investor money!)

  • Each failure left him more desperate and confused about what he was doing wrong

· · ·

  • BREAKTHROUGH! Rob finally discovered the real problem

  • Everyone (especially his mom) was lying to him to be supportive, saying his ideas were great when they weren't

  • He developed a simple questioning technique - asking "Show me how you solved this problem yesterday" instead of "Would you use my solution?"

  • This became The Mom Test - a foolproof way to get honest answers even from people who want to be nice to you

· · ·

  • Rob's next business succeeded because he built exactly what customers were already trying to find

  • His method helped thousands of entrepreneurs avoid costly failed products and find profitable ideas faster

  • He became a respected author and startup advisor, helping entrepreneurs save mountains of cash on failed products, build the right thing from the start, and achieve profitable businesses in months instead of years

· · ·

Now, let's see if these powerful techniques can work for a solopreneur! We'll follow Jeff, a fitness coach trying to sell online workout programs, as he transforms his business by learning how to get honest feedback from his potential customers.

Buckle up and let's go!

📖 The story: Jeff's journey to customer clarity

Meet Jeff:

  • His idea: Making workout plans for busy office workers who want to get in shape without gym equipment

  • His target audience: Office workers who want to get in shape but don't have much time or equipment

  • His money making plan: Making digital workout guides and using YouTube and Instagram to find people

  • His dream: Making enough money to quit his boring job and help lots of people get fit (and finally tell his boss goodbye!)

🆘 The crisis

Jeff was sad because people said they loved his workout ideas, but nobody bought them.

He almost gave up and decided to just keep his boring job forever.

While getting a smoothie at a juice shop, Jeff heard someone talking about customer research.

The person was Rob, who helps other business owners.

Jeff told Rob about his problem getting real feedback.

Zoomy-boomy! I know what's wrong, Jeff!, said Rob, doing a superhero pose. You're asking questions that let people lie to you!

For the first time in months, Jeff felt hopeful that he might fix this problem.

Chapter 1: 🧪 The Mom Test: Are you accidentally sabotaging your own business?

🔥 The challenge

  • Jeff said: I keep showing people my workout plans, and they say they love them, but then nobody buys anything!

  • Core Problem: People say they love your idea just to be nice, but they never actually buy your product

· · ·

🌈 The big idea

  • Whizzy-fizzy!, You gotta know about The Mom Test, Jeff!, shouted Rob

  • The Mom Test is a way to ask questions that get honest answers by focusing on facts, not opinions.

  • It works by asking about what people have already done, not what they might do later.

  • ➡️ Always ask about specific past actions, not hypothetical future behaviors.

  • Just like in The Princess Bride when Westley says "life is pain," the truth might hurt but it's the only way to make your business work!

· · ·

🏄 Example

  • Rob once asked his mom about his idea for a calendar app

  • His mom said it was wonderful and she'd definitely use it

  • Then he asked how she keeps track of her schedule now, and she just uses sticky notes

  • This showed she actually wouldn't use his app even though she said nice things, saving him from making something useless

· · ·

🎁 The breakthrough

  • Holy Smokes! said Jeff, his jaw dropping open

  • I've been asking if people like my workout ideas instead of asking about their actual fitness problems

  • I need to ask how they exercise today and what problems they have, not if they like my solution

  • Core Solution: Ask "What did you do last week to solve this problem?" instead of "Would you use this if I built it?"

Chapter 2: 🧠 Avoiding bad data: The hidden traps destroying your feedback

🔥 The challenge

  • Jeff thought about what he learned about asking better questions

  • Now I'm confused about which information from customers is actually useful and which is just fluff!

  • Core Problem: Getting lost in customer compliments like "that's cool!" that don't tell you what to build

· · ·

🌈 The big idea

  • You need to understand Fluff Filters, Jeff!, said Rob, dropping his protein shake

  • Fluff is any feedback that doesn't help you make choices about your business.

  • The three types of useless data are: compliments, vague statements, and random ideas from customers.

  • ➡️ Ignore nice comments, watch for vague statements, and focus only on facts about what they actually did.

  • Just like in Inception when they need to tell dreams from reality, you need a way to tell real data from nice words!

· · ·

🏄 Example

  • A fitness app company called FitMetrics had a new idea

  • Everyone said their workout tracking idea was "so cool" and "really amazing"

  • But when they launched it, nobody used it because the nice words weren't real interest

  • FitMetrics changed to focus on what serious athletes really needed, and built a successful business with 50,000 paying users

· · ·

🎁 The breakthrough

  • Holy Moly! said Jeff, slapping his hand on the table

  • I've been collecting nice comments about my workout programs instead of real facts

  • I need to ignore the "sounds great" comments and dig for real facts about their fitness habits and problems

  • Core Solution: Focus on specific customer behaviors and ignore all compliments about your idea

Chapter 3: 🎯 Asking important questions: The secret treasure map to customer gold

🔥 The challenge

  • Jeff was worried about his next customer talks

  • I'm not sure what I should actually be trying to learn - there are so many questions I could ask!

  • Core Problem: Getting lost in asking too many unimportant questions that don't help your business decisions

· · ·

🌈 The big idea

  • You gotta focus on Gold Zone Questions, Jeff!, said Rob, puffing out his chest

  • Only three areas of questions really matter: problems, current solutions, and priorities.

  • Learning about these gives you the key info you need to build a product people want.

  • ➡️ Ask only: "What problems do you have?", "How do you solve this now?", and "How important is this compared to your other priorities?"

  • Just like in Moneyball when they ignore old stats and focus only on getting on base, you need to focus only on what leads to success!

· · ·

🏄 Example

  • Personal trainer Sarah was creating an online coaching business

  • Instead of asking if people liked her programs, she asked about what they do now, their biggest problems, and what they've already tried

  • She found out most people struggled with sticking to their workouts, not knowing what exercises to do

  • Sarah built her business around helping people stay on track, not just giving exercise plans, and made $15,000 monthly in her first year

· · ·

🎁 The breakthrough

  • Holy Mackerel! said Jeff, leaning forward with big eyes

  • I've been asking random questions instead of focusing on the three areas that matter

  • I need to learn about their fitness problems, what they use now, and how important fitness really is to them

  • Core Solution: Only ask about customer problems, their current workarounds, and how important solving this is to them

Chapter 4: 🍦 Keeping it casual: The unexpected power of just talking

🔥 The challenge

  • Jeff had been setting up formal "feedback sessions" with potential customers

  • People seem uncomfortable in these meetings and just tell me what they think I want to hear!

  • Core Problem: Creating stiff, formal meetings that make people tell you what you want to hear instead of the truth

· · ·

🌈 The big idea

  • Kapow-blamo!, You should try the Chill Chat Method, Jeff!, said Rob, making air quotes

  • Casual talks get more honest feedback than formal meetings or surveys.

  • When people feel they're in a "meeting" about your product, they try to be nice.

  • ➡️ Have coffee shop chats or casual calls instead of formal "feedback sessions" or "interviews."

  • Just like in Good Will Hunting when the breakthrough happened on a park bench, not in a therapy office, the best insights come when people are relaxed!

· · ·

🏄 Example

  • Fitness coach Marcus was making a nutrition coaching app

  • His formal interviews with his laptop and slides got polite nods but little real feedback

  • When he switched to casual talks after workout classes, people shared their real eating habits

  • This casual approach showed people didn't want meal plans but needed help making choices in grocery stores, which became his successful app's main feature with 20,000+ users

· · ·

🎁 The breakthrough

  • Holy Guacamole! said Jeff, nearly falling off his chair

  • I've been making it obvious I want approval by setting up formal meetings about my ideas

  • I need to have casual chats where fitness comes up naturally, not pressure-filled feedback sessions

  • Core Solution: Have relaxed, everyday conversations where people feel comfortable sharing honest opinions

Chapter 5: 🔍 Commitment and advancement: The one trick that exposes fake interest

🔥 The challenge

  • Jeff was confused by mixed signals from potential customers

  • People say they're interested in my programs, but then they never follow up or buy anything!

  • Core Problem: Getting mixed signals about whether customers truly want your product or are just being polite

· · ·

🌈 The big idea

  • You've got to look for Proof Points, Jeff!, said Rob, pretending to pull a sword from a stone

  • Real customer interest is shown through actions, not just words.

  • Every talk should end with some kind of next step that proves interest.

  • ➡️ End every conversation by asking for something specific: a pre-order, deposit, meeting, or introduction.

  • Just like in Jerry Maguire when he says "Show me the money!" - you need proof, not promises!

· · ·

🏄 Example

  • Fitness equipment company Garage Gym Heroes was making a new home workout system

  • Instead of just collecting email signups, they asked for $50 deposits toward the future product

  • 200 people put down money before they even built the product, proving real market interest

  • This proof helped them get funding, build exactly what customers wanted, and reach $2 million in sales their first year

· · ·

🎁 The breakthrough

  • Holy Cannoli! said Jeff, jumping from his chair with excitement

  • I've been accepting vague interest ("sounds cool") instead of looking for real commitment

  • I need to ask for specific actions like pre-orders or joining a test group to see if interest is real

  • Core Solution: Ask for specific actions that prove genuine interest instead of just accepting encouraging words

Chapter 6: 🎣 Finding conversations: The hidden goldmines of customer insights

🔥 The challenge

  • Jeff was having trouble finding enough people to talk to about his fitness programs

  • I don't know where to find potential customers to have these conversations with!

  • Core Problem: Not knowing where to find enough potential customers to have meaningful conversations with

· · ·

🌈 The big idea

  • You need to identify Customer Fishing Grounds, Jeff!, said Rob, pretending to cast a fishing line

  • Go where your customers already hang out instead of making it hard to find them.

  • Your network, online groups, and places in the real world can all be good spots.

  • ➡️ List exact places (like specific Facebook groups, meetups, or forums) where your customers already hang out.

  • Just like in Field of Dreams, if you go where they already are, you won't have to build it and hope they come!

· · ·

🏄 Example

  • Online fitness coach Elena wanted to create programs for busy parents

  • Instead of trying to find customers from scratch, she started hanging out in Facebook groups for working parents

  • She helped answer questions and built relationships before mentioning her business

  • By being helpful first, she had 30+ natural conversations that shaped her program, which then sold 350 copies when she launched

· · ·

🎁 The breakthrough

  • Holy Smokes! said Jeff, looking up with a thoughtful look

  • I've been trying to bring people to me instead of going where they already hang out

  • I need to hang out in running clubs, office fitness challenges, and online fitness groups where my customers already are

  • Core Solution: Identify specific online and offline places where your ideal customers already hang out

Chapter 7: 🎯 Target spotting: The surprising source of your best feedback

🔥 The challenge

  • Jeff was getting different answers from different types of people

  • I'm confused because different people tell me completely different things about what they want!

  • Core Problem: Hearing contradictory needs from different potential customers and not knowing who to listen to

· · ·

🌈 The big idea

  • Zinga-winga!, You need Target Spotting, Jeff!, said Rob, making his hands into pretend binoculars

  • Not all potential customers are equally valuable to talk to.

  • Early adopters with urgent problems will give you better info than regular customers.

  • ➡️ Talk to people who are already actively searching for or paying for solutions to the problem you solve.

  • Just like in The Social Network when Facebook focused only on college students at first, you need to narrow down who you talk to!

· · ·

🏄 Example

  • Fitness app FitMinute was getting nowhere with general fitness fans

  • They focused only on busy executives who were already paying for solutions

  • This specific group had money, urgent needs, and clear feedback about what would work

  • By focusing on this small group first, FitMinute created a 7-minute workout app that grew to 5 million users

· · ·

🎁 The breakthrough

  • Holy Toledo! said Jeff, slowly nodding as he understood

  • I've been talking to anyone who exercises instead of focusing on my specific customer

  • I need to focus on busy office workers who want to get fit without equipment

  • Core Solution: Focus first on the customers who already feel the most pain from the problem you're solving

Chapter 8: 🔄 Learning loops: The magic system that multiplies your insights

🔥 The challenge

  • Jeff was doing better with talks but not seeing patterns

  • I'm having good talks now, but I'm not sure how to organize what I'm learning!

  • Core Problem: Talking to lots of customers but forgetting their feedback and missing important patterns

· · ·

🌈 The big idea

  • You need to set up Learning Loops, Jeff!, said Rob, drawing a circle in the air

  • Customer talks should be an ongoing process, not a one-time event.

  • You need a simple way to capture insights, spot patterns, and keep learning as you build.

  • ➡️ Keep a simple spreadsheet or document with customer quotes, problems, and ideas from each conversation.

  • Just like in Groundhog Day when Bill Murray gets better by learning from the same day, you need to learn from many talks!

· · ·

🏄 Example

  • Fitness coach Chris created a simple note-taking system for customer talks

  • After each talk, he'd write down exact quotes, behaviors, and pain points in a shared document

  • His team met weekly to look for patterns across talks and adjust their product

  • This simple approach helped them understand that their customers needed help staying accountable more than new exercises, leading to their coach-matching platform with 10,000 monthly subscribers

· · ·

🎁 The breakthrough

  • Holy Batman! said Jeff, pumping his fist with excitement

  • I've been having one-off talks without connecting the dots between them

  • I need a simple system to track what I'm learning and look for patterns

  • Core Solution: Use a simple note-taking system to record and regularly review what customers are telling you

🏆 The parting

Rob told Jeff this would be their last coffee chat but asked him to keep in touch.

Just like how Wonder Woman taught us that truth is the most powerful weapon, you're gonna use honest feedback as your superpower!

Rob gave Jeff an excited high-five and wished him luck.

You're gonna crush this, buddy!

🎉 The happy ending

Jeff changed his approach and started getting honest feedback that shaped his fitness programs.

Instead of generic workout plans, he created "5-Minute Office Fitness" for busy office workers.

His programs now sell well, and he's built a group of 3,000 busy professionals who love his no-equipment approach.

He started making $16,900 monthly, enough to quit his day job and focus on his fitness business full-time.

🧘‍♀️ The simple success recipe

The key lessons that transformed the business:

  1. Ask about past behaviors, not future intentions - Questions about what customers have already done show the truth, while questions about what they might do get lies (and those lies will cost you big time!)

  2. Look for commitments, not compliments - When someone takes action (like paying a deposit, scheduling a meeting, or sharing your idea with their friends), that proves real interest. Kind words like "sounds great!" don't prove anything - they're like junk food that feels good but has no nutritional value.

  3. Keep conversations casual, not formal - People give more honest feedback in relaxed settings where they don't feel pushed to be nice

  4. Focus on problems, current solutions, and priorities - When you understand what problems your customers are facing, how they're solving them now, and how important these problems are compared to everything else in their lives, you'll know exactly which product features to include and which ones to skip

  5. Make learning a regular habit, not a one-time event - Set up simple ways to have regular chats and spot patterns in what different customers tell you

✨ Loosely inspired by...

  • Jeff Cavaliere (Athlean-X), a fitness expert who built a huge YouTube following

  • He stands out by focusing on not getting hurt and science-based workouts that don't need fancy gym stuff

  • His YouTube channel has over 10 million subscribers and his digital programs make millions of dollars

🥂 Your turn!

That's it, my fellow rebels!

The Mom Test method can change how you talk to customers and save you from building products nobody wants.

As Rob says, "The measure of usefulness of an early customer conversation is whether it gives us concrete facts about our customers' lives."

Today, write down the three most important things you need to learn about your customers and find one person to have a casual chat with this week.

You're just one good conversation away from the clarity you need.

May you have the strength of Wonder Woman in finding the truth about what your customers really need!

Let the good times roll for you! 🍨

Your 'anti-stress-enjoy-life-while building a biz' vijay peduru