Marketing Expert Reveals What Agencies Don't Want You To Know

Calvin Carr thought success looked like wearing a suit and working on Wall Street.

Instead, he ended up building a marketing agency called Trash Marketing.

In this conversation, we trace Calvin’s journey from growing up in Portland, Maine, to studying economics and finance at Tulane, working at some of the largest advertising agencies in the world, helping scale venture-backed startups, and ultimately walking away to build something of his own.

What stood out most to me wasn’t the marketing tactics. It was the way Calvin thinks about human behavior.

Long before AI, growth hacks, and viral content became buzzwords, he was fascinated by behavioral economics — the idea that people don’t always make rational decisions. That curiosity eventually led him into advertising, where he learned that great marketing isn’t about manipulating people. It’s about understanding them.

We talked about why most businesses waste time trying to be everywhere at once, why the best marketing often looks boring from the outside, and why many agencies create unnecessary complexity to justify their fees. Calvin also shares some brutally honest insights into how marketing actually works behind the scenes and what business owners should know before hiring an agency.

We also got into:

– Why he grew to hate traditional ad agencies

– The hidden incentives that make marketing less effective

– What most small businesses get wrong about growth

– Why “doing things that don’t scale” is often the smartest move early on

– Lessons learned from living across South America during the pandemic

– The difference between ambition and fulfillment

– And why life is about the journey, not the destination

One of my favorite parts of this conversation was hearing Calvin talk about chasing success for years only to realize that what matters most isn’t a title, a city, or a salary. It’s spending time doing meaningful work with people you care about.

Whether you're building a business, growing a brand, or simply trying to figure out what success looks like for you, there’s a lot to take away from this one.

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