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Aug 20, 2026 · 42m · how-i-built-this

Advice Line with Carlton Calvin of Razor

Guy Raz · 17m spoken Carlton Calvin · 9m spoken Mark Ganter · 5m spoken Shereen Tippett · 3m spoken Sean Barasa · 3m spoken
0:00 / 0:00

gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions

Host Guy Raz and Razor USA co-founder Carlton Calvin team up on 'How I Built This Lab's Advice Line' to mentor three entrepreneurs on scaling physical retail, pruning product lines, and capitalizing on evolving consumer trends.

How this conversation actually went

Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Guy holds 46.2% of the talking time here. How this is scored →

Guy as informed peer 4.8 Guest teaching 2.8 Guest disagreement 0.8 Guy pushing back 1.8
05100:0015:0030:000:24–7:16 · Guy as informed peer 6/10 Spotting Toy Trends and Managing Patent Lawsuits with Carlton Calvin Guy provides thoughtful analogies regarding toy trend-spotting and raises the practical downsides of patent enforcement, while Carlton details the harsh realities of suing copycats without deep pockets.7:17–15:47 · Guy as informed peer 6/10 Advising Sean Barasa on Scaling His Board Game 'Eulogy' Guy leverages his personal experience in kids media and manufacturing toys, alongside case studies like Exploding Kittens, to advise Sean on establishing proven unit sales before pursuing licensing.15:48–18:08 · Guy as informed peer 0/10 Mid-Roll Break and Business Travel Solutions by Engine This segment is a sponsor advertisement read by Guy Raz highlighting corporate travel management platform Engine.18:15–26:58 · Guy as informed peer 6/10 Mentoring Shereen Tippett on Scaling Honey Bespoke Stationery Guy advises Shereen to become the visual front for Honey Bespoke by filming behind-the-scenes design videos, while Carlton emphasizes attending trade markets and securing sales representatives.26:59–39:49 · Guy as informed peer 7/10 Mid-Show Station Break and Advice Line Interlude Guy references MailChimp's radical pivot away from web development to encourage Mark to aggressively cut low-margin SKUs and focus purely on his top-selling espresso and chocolate martinis.39:50–41:34 · Guy as informed peer 4/10 Carlton Calvin on Delegation and Managing Toy Crazes Carlton shares founding lessons on delegating sales to reps and analyzes how consumer toy crazes inevitably collapse after peak volume regardless of retailer assumptions.0:24–7:16 · Guest teaching 4/10 Spotting Toy Trends and Managing Patent Lawsuits with Carlton Calvin Guy provides thoughtful analogies regarding toy trend-spotting and raises the practical downsides of patent enforcement, while Carlton details the harsh realities of suing copycats without deep pockets.7:17–15:47 · Guest teaching 3/10 Advising Sean Barasa on Scaling His Board Game 'Eulogy' Guy leverages his personal experience in kids media and manufacturing toys, alongside case studies like Exploding Kittens, to advise Sean on establishing proven unit sales before pursuing licensing.15:48–18:08 · Guest teaching 0/10 Mid-Roll Break and Business Travel Solutions by Engine This segment is a sponsor advertisement read by Guy Raz highlighting corporate travel management platform Engine.18:15–26:58 · Guest teaching 2/10 Mentoring Shereen Tippett on Scaling Honey Bespoke Stationery Guy advises Shereen to become the visual front for Honey Bespoke by filming behind-the-scenes design videos, while Carlton emphasizes attending trade markets and securing sales representatives.26:59–39:49 · Guest teaching 3/10 Mid-Show Station Break and Advice Line Interlude Guy references MailChimp's radical pivot away from web development to encourage Mark to aggressively cut low-margin SKUs and focus purely on his top-selling espresso and chocolate martinis.39:50–41:34 · Guest teaching 5/10 Carlton Calvin on Delegation and Managing Toy Crazes Carlton shares founding lessons on delegating sales to reps and analyzes how consumer toy crazes inevitably collapse after peak volume regardless of retailer assumptions.0:24–7:16 · Guest disagreement 0/10 Spotting Toy Trends and Managing Patent Lawsuits with Carlton Calvin Guy provides thoughtful analogies regarding toy trend-spotting and raises the practical downsides of patent enforcement, while Carlton details the harsh realities of suing copycats without deep pockets.7:17–15:47 · Guest disagreement 1/10 Advising Sean Barasa on Scaling His Board Game 'Eulogy' Guy leverages his personal experience in kids media and manufacturing toys, alongside case studies like Exploding Kittens, to advise Sean on establishing proven unit sales before pursuing licensing.15:48–18:08 · Guest disagreement 0/10 Mid-Roll Break and Business Travel Solutions by Engine This segment is a sponsor advertisement read by Guy Raz highlighting corporate travel management platform Engine.18:15–26:58 · Guest disagreement 1/10 Mentoring Shereen Tippett on Scaling Honey Bespoke Stationery Guy advises Shereen to become the visual front for Honey Bespoke by filming behind-the-scenes design videos, while Carlton emphasizes attending trade markets and securing sales representatives.26:59–39:49 · Guest disagreement 2/10 Mid-Show Station Break and Advice Line Interlude Guy references MailChimp's radical pivot away from web development to encourage Mark to aggressively cut low-margin SKUs and focus purely on his top-selling espresso and chocolate martinis.39:50–41:34 · Guest disagreement 1/10 Carlton Calvin on Delegation and Managing Toy Crazes Carlton shares founding lessons on delegating sales to reps and analyzes how consumer toy crazes inevitably collapse after peak volume regardless of retailer assumptions.0:24–7:16 · Guy pushing back 1/10 Spotting Toy Trends and Managing Patent Lawsuits with Carlton Calvin Guy provides thoughtful analogies regarding toy trend-spotting and raises the practical downsides of patent enforcement, while Carlton details the harsh realities of suing copycats without deep pockets.7:17–15:47 · Guy pushing back 3/10 Advising Sean Barasa on Scaling His Board Game 'Eulogy' Guy leverages his personal experience in kids media and manufacturing toys, alongside case studies like Exploding Kittens, to advise Sean on establishing proven unit sales before pursuing licensing.15:48–18:08 · Guy pushing back 0/10 Mid-Roll Break and Business Travel Solutions by Engine This segment is a sponsor advertisement read by Guy Raz highlighting corporate travel management platform Engine.18:15–26:58 · Guy pushing back 2/10 Mentoring Shereen Tippett on Scaling Honey Bespoke Stationery Guy advises Shereen to become the visual front for Honey Bespoke by filming behind-the-scenes design videos, while Carlton emphasizes attending trade markets and securing sales representatives.26:59–39:49 · Guy pushing back 4/10 Mid-Show Station Break and Advice Line Interlude Guy references MailChimp's radical pivot away from web development to encourage Mark to aggressively cut low-margin SKUs and focus purely on his top-selling espresso and chocolate martinis.39:50–41:34 · Guy pushing back 1/10 Carlton Calvin on Delegation and Managing Toy Crazes Carlton shares founding lessons on delegating sales to reps and analyzes how consumer toy crazes inevitably collapse after peak volume regardless of retailer assumptions.

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

0:00 · Guy 90.6% · guest 9.4%0:00 · Guy 90.6% · guest 9.4%3:00 · Guy 37.9% · guest 62.1%3:00 · Guy 37.9% · guest 62.1%6:00 · Guy 28.8% · guest 71.2%6:00 · Guy 28.8% · guest 71.2%9:00 · Guy 16.8% · guest 83.2%9:00 · Guy 16.8% · guest 83.2%12:00 · Guy 52.7% · guest 47.3%12:00 · Guy 52.7% · guest 47.3%15:00 · Guy 82.8% · guest 17.2%15:00 · Guy 82.8% · guest 17.2%18:00 · Guy 40.6% · guest 59.4%18:00 · Guy 40.6% · guest 59.4%21:00 · Guy 35.7% · guest 64.3%21:00 · Guy 35.7% · guest 64.3%24:00 · Guy 31.8% · guest 68.2%24:00 · Guy 31.8% · guest 68.2%27:00 · Guy 38.4% · guest 61.6%27:00 · Guy 38.4% · guest 61.6%30:00 · Guy 19.2% · guest 80.8%30:00 · Guy 19.2% · guest 80.8%33:00 · Guy 56.2% · guest 43.8%33:00 · Guy 56.2% · guest 43.8%36:00 · Guy 39% · guest 61%36:00 · Guy 39% · guest 61%39:00 · Guy 56.6% · guest 43.4%39:00 · Guy 56.6% · guest 43.4%42:00 · Guy 100% · guest 0%42:00 · Guy 100% · guest 0%
Sharpest disagreement ▶ 37:56 Carlton Dismisses Fighting Cultural Trends

Carlton firmly rejects Mark's hesitation about canned drinks, warning founders never to fight macro trends and comparing it to shows that followed American Idol.

 Hardest push from Guy ▶ 36:04 Guy Pushes Back on Emotional Attachment to SKUs

Guy challenges Mark's reluctance to discontinue underperforming spirits, stressing that painful cuts are essential to preserve cash flow and avoid company failure.

 Biggest teaching moment ▶ 5:55 Carlton on the Illusion of Winning Patent Damages

Carlton clarifies for Guy that winning multi-million dollar patent litigation often yields zero financial recovery because small copycat manufacturers carry no liquid assets.

 Guy holds their own ▶ 12:27 Guy Breaks Down Commercial Toy Licensing Realities

Guy draws upon his experience launching toy products and podcast IP to explain that toy publishers require thousands of verified retail sales before considering an outside game.
the scores for every segment, with the reasoning behind each
ChapterTopicGuy as informed peerGuest teachingGuest disagreementGuy pushing backWhy
Spotting Toy Trends and Managing Patent Lawsuits with Carlton Calvin 6401 Guy provides thoughtful analogies regarding toy trend-spotting and raises the practical downsides of patent enforcement, while Carlton details the harsh realities of suing copycats without deep pockets.
Advising Sean Barasa on Scaling His Board Game 'Eulogy' 6313 Guy leverages his personal experience in kids media and manufacturing toys, alongside case studies like Exploding Kittens, to advise Sean on establishing proven unit sales before pursuing licensing.
Mid-Roll Break and Business Travel Solutions by Engine 0000 This segment is a sponsor advertisement read by Guy Raz highlighting corporate travel management platform Engine.
Mentoring Shereen Tippett on Scaling Honey Bespoke Stationery 6212 Guy advises Shereen to become the visual front for Honey Bespoke by filming behind-the-scenes design videos, while Carlton emphasizes attending trade markets and securing sales representatives.
Mid-Show Station Break and Advice Line Interlude 7324 Guy references MailChimp's radical pivot away from web development to encourage Mark to aggressively cut low-margin SKUs and focus purely on his top-selling espresso and chocolate martinis.
Carlton Calvin on Delegation and Managing Toy Crazes 4511 Carlton shares founding lessons on delegating sales to reps and analyzes how consumer toy crazes inevitably collapse after peak volume regardless of retailer assumptions.

Statements from this episode (6)

Disclosure
Calvin: Classic Razor Scooters Still Sell Close to 1M Units Yearly
“I think it's our, still our largest selling item by volume. So, you know, close to a million units a year I would say..”
Carlton Calvin Aug 20, 2026 ▶ 2:15
Prediction Not checkable as stated
Calvin: Hacky Sacks Are Making a Massive Comeback
“One that's probably people already know just burst like maybe two months ago is hacky sacks are coming back in a huge way. And razor already has hacky sacks in the, you know, in the store start shipping this week.”
Carlton Calvin Aug 20, 2026 ▶ 5:04
Insight
Calvin: Suing Small Copycats Costs Millions With No Financial Recovery
“So it costs millions and millions of dollars to do a patent case. And then you get nothing except helping to clean up the market. It's very, very challenging.”
Carlton Calvin Aug 20, 2026 ▶ 6:26
Insight
Calvin: Toy creators should license if they love inventing, not running businesses
“If you love being in business, be in business. If you love inventing toys, then I would say you know, I would license it for sure. I work with inventors and they've done extremely well from me.”
Carlton Calvin Aug 20, 2026 ▶ 11:54
Insight
Calvin: Founders should ride prevailing cultural trends instead of fighting them
“Don't fight the culture. Just like because American Idol, you know, came out and, you know, did a you know, singing contest on TV, you'll notice there were 27 other singing contests that came out after them. Some of them exceeded American Idol. And being secon…”
Carlton Calvin Aug 20, 2026 ▶ 38:23
Insight
Calvin: Retailers always mistakenly believe consumer product crazes will last forever
“No matter how many times the retailers go through this, no matter how many times I went through this, everybody's thinking to themselves, this time is different. Like, this time, it's gonna sell a million a month for the next three years, and they can't even j…”
Carlton Calvin Aug 20, 2026 ▶ 41:19
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