May 18, 2026 · 1h 8m · startup-ideas

9 biggest startup ideas right now (AI, B2C, mobile etc)

Jonathan Courtney · 36m spoken Greg Isenberg · 25m spoken
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Hosts Greg Isenberg and Jonathan Courtney explore high-conviction startup opportunities spanning autonomous AI agents, physical third spaces, elder tech, and personalized health. Drawing on real-world playbooks, they provide actionable frameworks for launching defensible, high-margin businesses targeting underserved audiences.

How this conversation actually went

Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Greg holds 42.2% of the talking time here. How this is scored →

Greg as informed peer 6.2 Guest teaching 2.7 Guest disagreement 1.7 Greg pushing back 1.6
05100:0015:0030:0045:001:00:001:06–7:51 · Greg as informed peer 6/10 Unscripted Live Streaming and High-Value Creator Shows The conversation is highly collaborative as Jonathan pitches the value of unscripted gaming-style streams for business. Greg adds business context by correcting the show's name (TBPN) and citing its reported nine-figure valuation.7:51–16:38 · Greg as informed peer 7/10 The Shift Toward Agent-First Action Apps Greg introduces action apps, while Jonathan challenges the premise by questioning whether fully automated 'set-it-and-forget-it' tools hurt customer retention. Greg pushes back effectively using a cooking analogy, asserting people prioritize convenience above all.16:38–26:56 · Greg as informed peer 7/10 Combating Loneliness Through Third Spaces and Niche Communities Jonathan discusses loneliness and niche digital groups like Dads of Marathon. Greg builds on this with demographic statistics on loneliness and showcases commercial examples like 222 and Fabric.26:57–33:25 · Greg as informed peer 6/10 Capitalizing on the Underserved Elder Tech Market Greg highlights the massive elder tech market, and Jonathan validates this with empirical data from his own company where customers over 45 generate the highest purchasing power via Facebook ads.33:29–38:16 · Greg as informed peer 5/10 Reviving Adult Joy and Hands-On Hobbies Both hosts enthusiastically agree on the market for adult tactile hobbies. Greg presents Dr. Tyler Lemko's creative club workshops to reinforce Jonathan's points about offline artistic experiences.38:16–45:34 · Greg as informed peer 6/10 Designing Specialized Junior AI Employees for Businesses Greg explains how to package AI employees for white-collar work, and Jonathan contributes practical framing by proposing the brand concept 'Juniors' to target menial workflows without threatening creative tasks.45:35–53:08 · Greg as informed peer 6/10 Verticalized Gut Health and Personalized Nutrition Jonathan shares his personal struggles with GERD and building custom Claude health trackers, leading Greg to analyze the business model of Zoe and the path toward micro-verticalized nutrition solutions.53:11–57:34 · Greg as informed peer 6/10 AI Innovation and Smart Monitoring in Pet Health Greg discusses the $150B pet industry and AI wearable opportunities, recalling his past concept of 'Athletic Greens for pets' which Jonathan humorous notes made someone else rich.57:35–1:03:13 · Greg as informed peer 7/10 The Strategic Playbook: Date the Product, Marry the Niche Jonathan explains his monetisation strategy of combining retreats and livestreams for wealthy entrepreneurs. Greg formalises this with his strategic framework 'date the product, marry the niche'.1:03:13–1:07:23 · Greg as informed peer 6/10 Scaling High-Quality AI-Native Media Brands Greg outlines the opportunity in top-tier AI-native media brands citing Rowan Cheung. Jonathan admits he is unfamiliar with the space but relates the audience-building aspect back to niche health communities.1:06–7:51 · Guest teaching 3/10 Unscripted Live Streaming and High-Value Creator Shows The conversation is highly collaborative as Jonathan pitches the value of unscripted gaming-style streams for business. Greg adds business context by correcting the show's name (TBPN) and citing its reported nine-figure valuation.7:51–16:38 · Guest teaching 2/10 The Shift Toward Agent-First Action Apps Greg introduces action apps, while Jonathan challenges the premise by questioning whether fully automated 'set-it-and-forget-it' tools hurt customer retention. Greg pushes back effectively using a cooking analogy, asserting people prioritize convenience above all.16:38–26:56 · Guest teaching 2/10 Combating Loneliness Through Third Spaces and Niche Communities Jonathan discusses loneliness and niche digital groups like Dads of Marathon. Greg builds on this with demographic statistics on loneliness and showcases commercial examples like 222 and Fabric.26:57–33:25 · Guest teaching 6/10 Capitalizing on the Underserved Elder Tech Market Greg highlights the massive elder tech market, and Jonathan validates this with empirical data from his own company where customers over 45 generate the highest purchasing power via Facebook ads.33:29–38:16 · Guest teaching 2/10 Reviving Adult Joy and Hands-On Hobbies Both hosts enthusiastically agree on the market for adult tactile hobbies. Greg presents Dr. Tyler Lemko's creative club workshops to reinforce Jonathan's points about offline artistic experiences.38:16–45:34 · Guest teaching 3/10 Designing Specialized Junior AI Employees for Businesses Greg explains how to package AI employees for white-collar work, and Jonathan contributes practical framing by proposing the brand concept 'Juniors' to target menial workflows without threatening creative tasks.45:35–53:08 · Guest teaching 4/10 Verticalized Gut Health and Personalized Nutrition Jonathan shares his personal struggles with GERD and building custom Claude health trackers, leading Greg to analyze the business model of Zoe and the path toward micro-verticalized nutrition solutions.53:11–57:34 · Guest teaching 2/10 AI Innovation and Smart Monitoring in Pet Health Greg discusses the $150B pet industry and AI wearable opportunities, recalling his past concept of 'Athletic Greens for pets' which Jonathan humorous notes made someone else rich.57:35–1:03:13 · Guest teaching 2/10 The Strategic Playbook: Date the Product, Marry the Niche Jonathan explains his monetisation strategy of combining retreats and livestreams for wealthy entrepreneurs. Greg formalises this with his strategic framework 'date the product, marry the niche'.1:03:13–1:07:23 · Guest teaching 1/10 Scaling High-Quality AI-Native Media Brands Greg outlines the opportunity in top-tier AI-native media brands citing Rowan Cheung. Jonathan admits he is unfamiliar with the space but relates the audience-building aspect back to niche health communities.1:06–7:51 · Guest disagreement 1/10 Unscripted Live Streaming and High-Value Creator Shows The conversation is highly collaborative as Jonathan pitches the value of unscripted gaming-style streams for business. Greg adds business context by correcting the show's name (TBPN) and citing its reported nine-figure valuation.7:51–16:38 · Guest disagreement 4/10 The Shift Toward Agent-First Action Apps Greg introduces action apps, while Jonathan challenges the premise by questioning whether fully automated 'set-it-and-forget-it' tools hurt customer retention. Greg pushes back effectively using a cooking analogy, asserting people prioritize convenience above all.16:38–26:56 · Guest disagreement 1/10 Combating Loneliness Through Third Spaces and Niche Communities Jonathan discusses loneliness and niche digital groups like Dads of Marathon. Greg builds on this with demographic statistics on loneliness and showcases commercial examples like 222 and Fabric.26:57–33:25 · Guest disagreement 2/10 Capitalizing on the Underserved Elder Tech Market Greg highlights the massive elder tech market, and Jonathan validates this with empirical data from his own company where customers over 45 generate the highest purchasing power via Facebook ads.33:29–38:16 · Guest disagreement 1/10 Reviving Adult Joy and Hands-On Hobbies Both hosts enthusiastically agree on the market for adult tactile hobbies. Greg presents Dr. Tyler Lemko's creative club workshops to reinforce Jonathan's points about offline artistic experiences.38:16–45:34 · Guest disagreement 2/10 Designing Specialized Junior AI Employees for Businesses Greg explains how to package AI employees for white-collar work, and Jonathan contributes practical framing by proposing the brand concept 'Juniors' to target menial workflows without threatening creative tasks.45:35–53:08 · Guest disagreement 2/10 Verticalized Gut Health and Personalized Nutrition Jonathan shares his personal struggles with GERD and building custom Claude health trackers, leading Greg to analyze the business model of Zoe and the path toward micro-verticalized nutrition solutions.53:11–57:34 · Guest disagreement 1/10 AI Innovation and Smart Monitoring in Pet Health Greg discusses the $150B pet industry and AI wearable opportunities, recalling his past concept of 'Athletic Greens for pets' which Jonathan humorous notes made someone else rich.57:35–1:03:13 · Guest disagreement 2/10 The Strategic Playbook: Date the Product, Marry the Niche Jonathan explains his monetisation strategy of combining retreats and livestreams for wealthy entrepreneurs. Greg formalises this with his strategic framework 'date the product, marry the niche'.1:03:13–1:07:23 · Guest disagreement 1/10 Scaling High-Quality AI-Native Media Brands Greg outlines the opportunity in top-tier AI-native media brands citing Rowan Cheung. Jonathan admits he is unfamiliar with the space but relates the audience-building aspect back to niche health communities.1:06–7:51 · Greg pushing back 2/10 Unscripted Live Streaming and High-Value Creator Shows The conversation is highly collaborative as Jonathan pitches the value of unscripted gaming-style streams for business. Greg adds business context by correcting the show's name (TBPN) and citing its reported nine-figure valuation.7:51–16:38 · Greg pushing back 5/10 The Shift Toward Agent-First Action Apps Greg introduces action apps, while Jonathan challenges the premise by questioning whether fully automated 'set-it-and-forget-it' tools hurt customer retention. Greg pushes back effectively using a cooking analogy, asserting people prioritize convenience above all.16:38–26:56 · Greg pushing back 1/10 Combating Loneliness Through Third Spaces and Niche Communities Jonathan discusses loneliness and niche digital groups like Dads of Marathon. Greg builds on this with demographic statistics on loneliness and showcases commercial examples like 222 and Fabric.26:57–33:25 · Greg pushing back 1/10 Capitalizing on the Underserved Elder Tech Market Greg highlights the massive elder tech market, and Jonathan validates this with empirical data from his own company where customers over 45 generate the highest purchasing power via Facebook ads.33:29–38:16 · Greg pushing back 1/10 Reviving Adult Joy and Hands-On Hobbies Both hosts enthusiastically agree on the market for adult tactile hobbies. Greg presents Dr. Tyler Lemko's creative club workshops to reinforce Jonathan's points about offline artistic experiences.38:16–45:34 · Greg pushing back 1/10 Designing Specialized Junior AI Employees for Businesses Greg explains how to package AI employees for white-collar work, and Jonathan contributes practical framing by proposing the brand concept 'Juniors' to target menial workflows without threatening creative tasks.45:35–53:08 · Greg pushing back 1/10 Verticalized Gut Health and Personalized Nutrition Jonathan shares his personal struggles with GERD and building custom Claude health trackers, leading Greg to analyze the business model of Zoe and the path toward micro-verticalized nutrition solutions.53:11–57:34 · Greg pushing back 1/10 AI Innovation and Smart Monitoring in Pet Health Greg discusses the $150B pet industry and AI wearable opportunities, recalling his past concept of 'Athletic Greens for pets' which Jonathan humorous notes made someone else rich.57:35–1:03:13 · Greg pushing back 2/10 The Strategic Playbook: Date the Product, Marry the Niche Jonathan explains his monetisation strategy of combining retreats and livestreams for wealthy entrepreneurs. Greg formalises this with his strategic framework 'date the product, marry the niche'.1:03:13–1:07:23 · Greg pushing back 1/10 Scaling High-Quality AI-Native Media Brands Greg outlines the opportunity in top-tier AI-native media brands citing Rowan Cheung. Jonathan admits he is unfamiliar with the space but relates the audience-building aspect back to niche health communities.

speaking balance: gold is Greg, purple is the guest (3 minute bins)

0:00 · Greg 32% · guest 68%0:00 · Greg 32% · guest 68%3:00 · Greg 19.8% · guest 80.2%3:00 · Greg 19.8% · guest 80.2%6:00 · Greg 57.3% · guest 42.7%6:00 · Greg 57.3% · guest 42.7%9:00 · Greg 29.2% · guest 70.8%9:00 · Greg 29.2% · guest 70.8%12:00 · Greg 72.6% · guest 27.4%12:00 · Greg 72.6% · guest 27.4%15:00 · Greg 41.6% · guest 58.4%15:00 · Greg 41.6% · guest 58.4%18:00 · Greg 1.2% · guest 98.8%18:00 · Greg 1.2% · guest 98.8%21:00 · Greg 59.8% · guest 40.2%21:00 · Greg 59.8% · guest 40.2%24:00 · Greg 67.2% · guest 32.8%24:00 · Greg 67.2% · guest 32.8%27:00 · Greg 51% · guest 49%27:00 · Greg 51% · guest 49%30:00 · Greg 33% · guest 67%30:00 · Greg 33% · guest 67%33:00 · Greg 19.5% · guest 80.5%33:00 · Greg 19.5% · guest 80.5%36:00 · Greg 39.7% · guest 60.3%36:00 · Greg 39.7% · guest 60.3%39:00 · Greg 22.8% · guest 77.2%39:00 · Greg 22.8% · guest 77.2%42:00 · Greg 53.7% · guest 46.3%42:00 · Greg 53.7% · guest 46.3%45:00 · Greg 0.5% · guest 99.5%45:00 · Greg 0.5% · guest 99.5%48:00 · Greg 49.7% · guest 50.3%48:00 · Greg 49.7% · guest 50.3%51:00 · Greg 61.3% · guest 38.7%51:00 · Greg 61.3% · guest 38.7%54:00 · Greg 57.9% · guest 42.1%54:00 · Greg 57.9% · guest 42.1%57:00 · Greg 17.9% · guest 82.1%57:00 · Greg 17.9% · guest 82.1%1:00:00 · Greg 48.2% · guest 51.8%1:00:00 · Greg 48.2% · guest 51.8%1:03:00 · Greg 94.9% · guest 5.1%1:03:00 · Greg 94.9% · guest 5.1%1:06:00 · Greg 42.6% · guest 57.4%1:06:00 · Greg 42.6% · guest 57.4%
Sharpest disagreement ▶ 10:42 Jonathan challenges set-it-and-forget-it UX retention

Jonathan actively questions the core value proposition of automated action apps, arguing that zero user interaction might lower perceived value and damage customer retention.

Hardest push from Greg ▶ 12:28 Greg refutes retention concern with steak cooking comparison

Greg firmly rejects Jonathan's thesis on friction, countering that consumers inherently demand maximum convenience rather than wanting to do the manual work themselves.

Biggest teaching moment ▶ 28:37 Jonathan demonstrates commercial power of older demographics

Jonathan surprises Greg by revealing real customer data showing customers over 45 are by far his highest spenders despite conventional startup bias toward 20-somethings.

Greg holds their own ▶ 1:01:38 Greg articulates Date the Product, Marry the Niche framework

Greg demonstrates sharp venture design expertise by synthesizing Jonathan's tactical revenue examples into a clear, actionable mental model on audience selection.

the scores for every segment, with the reasoning behind each
ChapterTopicGreg as informed peerGuest teachingGuest disagreementGreg pushing backWhy
Unscripted Live Streaming and High-Value Creator Shows 6312 The conversation is highly collaborative as Jonathan pitches the value of unscripted gaming-style streams for business. Greg adds business context by correcting the show's name (TBPN) and citing its reported nine-figure valuation.
The Shift Toward Agent-First Action Apps 7245 Greg introduces action apps, while Jonathan challenges the premise by questioning whether fully automated 'set-it-and-forget-it' tools hurt customer retention. Greg pushes back effectively using a cooking analogy, asserting people prioritize convenience above all.
Combating Loneliness Through Third Spaces and Niche Communities 7211 Jonathan discusses loneliness and niche digital groups like Dads of Marathon. Greg builds on this with demographic statistics on loneliness and showcases commercial examples like 222 and Fabric.
Capitalizing on the Underserved Elder Tech Market 6621 Greg highlights the massive elder tech market, and Jonathan validates this with empirical data from his own company where customers over 45 generate the highest purchasing power via Facebook ads.
Reviving Adult Joy and Hands-On Hobbies 5211 Both hosts enthusiastically agree on the market for adult tactile hobbies. Greg presents Dr. Tyler Lemko's creative club workshops to reinforce Jonathan's points about offline artistic experiences.
Designing Specialized Junior AI Employees for Businesses 6321 Greg explains how to package AI employees for white-collar work, and Jonathan contributes practical framing by proposing the brand concept 'Juniors' to target menial workflows without threatening creative tasks.
Verticalized Gut Health and Personalized Nutrition 6421 Jonathan shares his personal struggles with GERD and building custom Claude health trackers, leading Greg to analyze the business model of Zoe and the path toward micro-verticalized nutrition solutions.
AI Innovation and Smart Monitoring in Pet Health 6211 Greg discusses the $150B pet industry and AI wearable opportunities, recalling his past concept of 'Athletic Greens for pets' which Jonathan humorous notes made someone else rich.
The Strategic Playbook: Date the Product, Marry the Niche 7222 Jonathan explains his monetisation strategy of combining retreats and livestreams for wealthy entrepreneurs. Greg formalises this with his strategic framework 'date the product, marry the niche'.
Scaling High-Quality AI-Native Media Brands 6111 Greg outlines the opportunity in top-tier AI-native media brands citing Rowan Cheung. Jonathan admits he is unfamiliar with the space but relates the audience-building aspect back to niche health communities.

Statements from this episode (21)

Prediction Not checkable as stated
Courtney: AI sanitization will drive audiences toward unscripted, live content
“So that's something that I think from your list is going to be Bigger and bigger and bigger as AI sanitizes a lot of stuff. I think more people are going to want, want to listen to more authentic people speaking long form, unedited, unscripted, and live.”
Jonathan Courtney May 18, 2026 ▶ 5:48
Disclosure
Courtney makes €500k from a 1,000-viewer weekly live stream without ads
“I mean, I can just tell you too, like, so I have only one to two, one to 2000 people tuning into me every Tuesday, and that business alone can make four to 500,000 euro with no ads, with nothing else other than me selling like in-person events or like even mer…”
Jonathan Courtney May 18, 2026 ▶ 6:52
Prediction Not checkable as stated
Isenberg: Incumbents will struggle to transition to agent-first apps
“I think the same thing is happening right now with agent first apps. So it's going to be hard for companies to basically do the transition to become agent first. And I think that's the opportunity for people listening right now.”
Greg Isenberg May 18, 2026 ▶ 10:25
Prediction Not checkable as stated
Isenberg: Niche agent-first action apps will be acquired like Instagram was
“Like I think someone can go and create a studio that just focuses on action apps. And I think those, you know, assuming they're picking the right niche, assuming it's a real pain point, assuming the customer has willingness to spend on that pain point. There's…”
Greg Isenberg May 18, 2026 ▶ 13:09
Disclosure
Courtney: 5-day off-grid retreat broke even at $90,000
“We ran a retreat in February Which was five days off the grid. So no internet, no phones, no tech, nothing... We basically broke even. It cost like 90,000 dollars to run. We made 90,000 dollars”
Jonathan Courtney May 18, 2026 ▶ 18:05
Assertion Partly supported
Isenberg: Nearly 22% of Americans have zero close friends
“Americans with less than one close friends is almost at 22%. It's at 22%. Basically, almost a quarter of Americans have no close friends.”
Greg Isenberg May 18, 2026 ▶ 21:36
Assertion Supported
Isenberg: Community company Fabric hosts 75+ gatherings monthly across 500 members
“The other company that's really interesting in this space is a company called fabric. So you can see they do 75 plus gatherings per month, month. They're in New York and Chicago. They've got 500 members.”
Greg Isenberg May 18, 2026 ▶ 25:43
Disclosure
Courtney: Facilitator.com's most valuable customers are over 45
“It actually ended up that the most customers are our most valuable customers are all like over 45 and it completely shocked us because all of our advertising is very silly, very, I mean, I'm in the ads being goofy. If you go to facilitator.com, it's kind of a …”
Jonathan Courtney May 18, 2026 ▶ 29:02
Insight
Adult hobby businesses face low competition because founders find the space boring
“Again, there's not a lot of competition because not a lot of people even want to do this. Like it's kind of seen as like a boring thing. And that's why there's not a lot of competition.”
Jonathan Courtney May 18, 2026 ▶ 35:05
Prediction Not checkable as stated
Isenberg: Screen-free creative event spaces for adults will proliferate
“I think this is a no-brainer idea and I think you're going to start to see more of this.”
Greg Isenberg May 18, 2026 ▶ 36:35
Prediction Not checkable as stated
Isenberg: Thousands of AI employee agencies will successfully launch
“I think that there's a, there's just, you know, thousands and thousands of companies that are going to come and do this, set this up and there's opportunity for all of them.”
Greg Isenberg May 18, 2026 ▶ 39:22
Opinion
Courtney: Creative workers hate AI for creativity but welcome menial automation
“Everyone in my world hates AI for creative work. It's like everyone's against it, but Is very positive on AI for sort of menial, annoying tasks.”
Jonathan Courtney May 18, 2026 ▶ 45:07
Assertion Supported
Cal AI currently generates $50 million in annual recurring revenue
“Cal AI, which does fifty million in ARR”
Greg Isenberg May 18, 2026 ▶ 50:06
Insight
Founders can find health startup verticals by checking CVS shelf space
“I think that's the hint of how you find your verticals go into a CVS. What is the over the counter stuff that you're seeing the most of? Well, that's probably the problems people are having.”
Jonathan Courtney May 18, 2026 ▶ 52:18
Assertion Not checkable as stated
Isenberg: Pet industry is $140B–$150B with minimal smart monitoring penetration
“Pet industry is massive, 150, hundred and forty billion dollars, but a very small percent of that, of pets have smart monitoring, have some of these, like, smart AI tools on top of it.”
Greg Isenberg May 18, 2026 ▶ 53:37
Insight
Isenberg: Best pet startup ideas replicate human health and wellness trends
“And for people who are trying to find ideas for their pets, one of the good ways is just look at what people are doing for human beings.”
Greg Isenberg May 18, 2026 ▶ 56:03
Assertion Not checkable as stated
A My First Million podcast pitch spawned a six-figure monthly pet brand
“One of the ideas that I had, I was on the My First Million podcast, you know, two, three years ago, and I was like, someone should do Athletic Greens for pets. Eat fun for pets. And, you know, someone took that idea, ended up making hundreds of thousands of do…”
Greg Isenberg May 18, 2026 ▶ 56:13
Disclosure
Courtney: Painting retreat for entrepreneurs generated $110,000 in revenue
“When I ran that painting retreat and that art retreat, I was able to make 90,000 dollars, well, a 110,000 dollars from it.”
Jonathan Courtney May 18, 2026 ▶ 58:31
Disclosure
Courtney: Upcoming six-hour virtual workshop is generating $60,000
“We're running another event next week. That's 60 K. And that's just a virtual three hours per day for two days.”
Jonathan Courtney May 18, 2026 ▶ 1:01:11
Assertion Supported
Rowan Chung gained 400,000 followers in two years using an AI avatar
“He grew his account from like zero to almost 400,000 followers in like the last 1824 months. And he does sit via his AI avatar and he talks about different, you know, news, news items.”
Greg Isenberg May 18, 2026 ▶ 1:04:17
Prediction Not checkable as stated
Isenberg: AI slop will fail in 2026 while high-quality AI media thrives
“I don't, I'm not a believer that AI slop is going to work in 20, 26 and beyond. Like, I think that that's frankly a waste of time, but I do think that using AI to create media companies that are actually high quality, maybe with some, with a human in the loop …”
Greg Isenberg May 18, 2026 ▶ 1:05:53
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