PODCAST · business
The Reverb
by Maxwell Cofie
The Reverb is a fast-paced tech podcast capturing real conversations from the Sandbox Réseau community.Each 5-minute episode distils insights, ideas, and lessons from builders actively creating, stitched together into a tight, signal-rich experience.No fillers. Just what people are building, thinking, and learning right now.We dive into:The Build: Tech stacks that scale.The Launch: Real market friction.The Glitch: The "Oh Sh*t" moments.Hosted by Maxwell Cofie, it’s a high-energy sprint through the minds building Africa's future. Plug in. Sync up. Get back to building.
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#11 — The Day We Realised Our Validation Was A Lie
"If they won't pay, it's just a compliment, not a business."In this episode, Maxwell sits down with Richmond Agbavor, co-founder of Clerra, to discuss the danger of "polite" validation. Richmond explains why he entered a high-stakes hackathon, actually hoping his idea would fail—so he could walk away before committing years of his life to it—and why "paying customers" are the only truth he trusts now.The Figma "Hard Sell": How a product designer used mocks to get the "hard truth" from lawyers before writing a single line of code.The "Yes Man" Culture: Navigating a local ecosystem where people often hate to pass bad news and will tell you "it's solid" just to keep you happy.The Hackathon Filter: Why a competitive environment like the Legal Tech Lounge hackathon is the best place to find tangible, honest validation.The Ultimate Metric: Why a user paying for a demo is the only way to know if your idea is truly validated in a paid system."The only form of validation I trust now is people actually using the product and then paying for it. "Co-Founder: Richmond AgbavorProduct: Clerra (All-in-one legal case management and research operating system)Impact: First runner-up in Ghana’s first Legal Tech hackathon, leading to a mission-driven shift toward a paid-user model.
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#10 — What Product-Market Fit Felt Like
"Don't hoard the idea. Put the skeleton out there."In this episode, Maxwell talks with Aikins, the founder of Sail Rides, about the danger of keeping an idea private for too long. Aikins shares how a single "skeleton" design post on X and LinkedIn turned a project he had been "hoarding" for years into a high-demand product that people started searching for on Google before it even launched.Killing the "Hoarding" Habit: Why a demo project you’ve kept private for years needs a public "skeleton" to survive.The Social Signal: How a flurry of early comments like "I would use this" turned a play project into a serious development sprint.The Organic Pull: Why the best sign of Product-Market Fit (PMF) is when users find you via Google search rather than just your own social posts.Building with the Public: Why you should let the market tell you which part of your design they dislike so you can adjust in real-time during the building process."Put the product out there—even if it's just a design thought. If people don't want it, they will tell you why,"Founder: Aikins LaryeaProduct: Sail (Ride-hailing and delivery price comparison for Ghana and beyond)Impact: Blown away by organic growth and users integrating the tool into their daily lives.
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#09 — The First Time Someone Took Us Seriously
"It stopped being an idea and started feeling like a real solution."In this episode, Maxwell sits down with Joseph Mensah, founder of Open Prop, and discusses the moment house hunting in Ghana went digital. He shares how a single virtual tour changed the trajectory of his company, moving it from a skeptical experiment to a full-stack property infrastructure that handles everything from the first click to the move-in day.The Skepticism Wall: Overcoming the initial resistance from landlords and agents who didn't believe in digital property tours.The No-Show Solution: How virtual tours solved the massive time-waste of physical viewings that don't pan out in the traditional "no-show" culture.Two-Sided Trust: Why validation from the renter was the essential signal landlords needed to take the platform seriously.The Full-Stack Pivot: Why Open Prop expanded beyond mere search into move-in services like laundry, cleaning, and water supply."Renters need transparency, and landlords need serious leads. Seeing both sides engage on the app proved we were solving a real-world problem, not just a technical one."Founder: Joseph MensahProduct: Open Prop — A property platform redefining how people find and experience homes in Ghana through virtual tours and end-to-end move-in infrastructure.Insight: Validation isn't just a compliment; it's the green light to build faster.
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#08 — How We Validated Our Startup Idea
"If people aren’t trying to solve a problem in messy ways, it isn't painful enough."In this episode, Maxwell sits down with Harold, the co-founder and CEO of Night Market, to discuss the raw reality of market validation. Harold shares how being a "victim of the problem" led him to discover a hidden world of expensive, slow, and untraceable workarounds that proved his idea was a necessity rather than just an improvement.The "Davi Beans" Gap: Why the absence of your favorite local vendor on existing delivery apps is the ultimate market signal.The Price of Friction: Why customers were willing to pay double and wait 90 minutes for a rider they couldn't even track—and why that repeat behavior was a green light to build.The Cultural Pricing Pivot: How local food "waakye" pricing (11 GHS vs. 15 GHS) forced a total rethink of the standard restaurant app model to allow users to tailor their own budgets.The Week 1 Shock: What happens when 1,000 users show up in seven days before you think the "theory" is even ready."Remove the tech and ask how people really pay for this. If the answer is yes, then you are onto something. "Co-Founder: Harold BenjiProduct: Night Market (Infrastructure for local businesses to reach customers and access financing)Impact: Rapid organic growth hitting 1,000+ users in the first week of launch.
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#07 — The Hardest "no" I've Ever Had to Say
"Sometimes the opportunity you turn down is the quieter invitation to keep your head down."In this episode, Maxwell sits down with Natalie Narh, co-founder and CEO of NewComma, to discuss the heavy burden of building infrastructure for the global African creative economy. Natalie shares a transparent look at the "Who Sent Me" moment—the temptation to simply focus on her own creative portfolio and leave the broken systems of discovery, trust, and payment for someone else to fix.The Portfolio Temptation: The internal struggle between pursuing a "clean," individual creative career and taking on the messy, invisible problem of African creative infrastructure.The "Luxury" of the Job: Why African and Black creators often don't have the luxury of "just doing their jobs" when the pipelines and systems themselves weren't designed for them.The Leverage Shift: Why choosing to build a solution isn't about sacrifice, but about finding where the real leverage is to solve the most interesting creative problems for an entire community.The Quieter Invitation: Why the most dangerous opportunity is often the one that looks good on the surface but asks you to keep your head down and work around a broken system."Sometimes the opportunity you turn down isn't the one that looks bad per se; it's the quieter invitation to keep your head down and work around the problem. Saying no to that is what lets you start building what should have existed all along. "Co-Founder: Natalie NarhProduct: NewComma (Infrastructure for discovery, trust, and payments in the global African creative economy)Impact: A mission-driven shift from individual creator to building the world-class systems that African and diaspora creators deserve.
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#06 — Launching Way Too Early (or way too late)
"Sometimes you are just postponing feedback."In this episode, Maxwell is joined by Yoofi, the co-founder of Beeterty, to talk about the "one more feature" trap. Yoofi gives a transparent look at why they launched "too early" on purpose—not because they had it all figured out, but because they needed the market to kill their assumptions before they wasted another three months building in the dark.The "Intentional" Launch: How to define the absolute "Core" (creating a professional invoice) and ignore everything else.The "First Bounce" Risk: How to launch early without looking "careless" in a market with established global benchmarks.The "Built by Ghanaians" Bar: Why high-quality design is the only way to overcome local skepticism.Transparency as Strategy: Why tweeting about your bugs and your roadmap builds more trust than a polished PR release."There's no better way to validate the product than having the solution in the hands of people. Just put it out there."Co-Founder: YoofiProduct: Beeterty (Invoicing and payment clarity for freelancers and SMEs)Impact: 3 million GHS in invoices processed across seven countries.
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#05 — The Moment We Knew This Could Work
"From a passion project to the physical manifestation of an industry."In this episode, Maxwell sits down with Samuel Allotey, the founder of The Design Junkies and the visionary behind FidCon. Sam shares the raw journey of building a space where African creative talent meets global opportunity. This isn't just a story about a "startup"—it's a masterclass in recognizing when your community becomes the very infrastructure the industry is missing.The Isolation Gap: Identifying the "no-structure" problem for designers learning UI/UX in Ghana.The "Travel" Signal: Why people traveling across the country for a meetup was the first sign of a major breakthrough.The Pivot to Infrastructure: How international organizations (Google, IDF, etc.) validated the bridge between talent and hiring.The Evolution of FidCon: Moving from informal workshops to a global conference for the African diaspora."The goal is no longer just to run a series of programs or events. The goal is to create platforms and systems that empower the next generation to build globally relevant careers."Founder: Samuel AlloteyCommunity: The Design Junkies (Connecting African tech talent to the world)Flagship Event: FidCon (The intersection of design, innovation, and industry)
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#04 — Building With Limited Resources
"Money isn't the only thing you have to offer."In this episode, Maxwell sits down with Chisom, the founder of Echolift, to discuss the unique challenges of building a nonprofit tech product. Chisom shares a transparent look at the "people gap," the power of the "Skill Swap," and how he moved from a lonely idea to a thriving team of 20 volunteers across engineering, product, and marketing.The Volunteer Hurdle: Why finding skilled talent is harder when you can’t lead with a paycheck.The "Motivational Speaker" Trap: How to gain credibility when all you have is a vision and no code.The Creative Barter: How a "Developer-for-Designer" trade with a friend became the catalyst for the entire app.Building Momentum: Why having something tangible (UI/UX) is the ultimate recruitment tool for your first 10 teammates."Don't limit yourself by thinking money is the only thing you have to offer. Get started, and that’s my reverb."Founder: Chisom NwankwoProduct: Echolift (Connecting donors to charity homes and initiatives)Impact: A live platform powered by 20+ global volunteers.
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#03 — Our First Paying Customer
"Don't wait for 'perfect' to start capturing value."In this episode, Maxwell sits down with Theo, the Product Lead at RateCardly, to discuss the milestone every founder dreams of: the first paying customer. Theo shares how they moved from "eating their own dog food" as freelancers to building a platform that charges for value—and why that first 1.05% fee meant everything to the team.The "User-First" Strategy: Why your co-founders and friends are your most honest early testers.The Power of Champions: Identifying the "super-user" who not only pays but also markets the product for you.The Revenue Model: Breaking down the 1.05% transaction fee and why it’s deeply integrated into the service provider workflow.The "Fresh Spring" Insight: How a single payment can reignite a team's energy to keep building."The first payment meant everything. It was truly a fresh spring of enthusiasm to keep building what we're building."Product Lead: Theophilus ArthurProduct: RateCardly (Showcase work and collect payments seamlessly)Target Audience: Freelancers and service providers.
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#02 — Building for Ghana vs Building for the World
"Start locally, architect globally."In this episode, Maxwell sits down with Charles, the founder of JamPolls, to discuss the friction between building for the Ghanaian market and maintaining a global ambition. Charles explains how his "audience intelligence" tool found unexpected users in politics and fandoms, and why "research culture" is the biggest hurdle for tech adoption in West Africa.The Pivot: How JamPolls shifted from a "startup tool" to a sentiment engine for sports and politics.The Ghana Challenge: Navigating a market where "research" isn't a standard business habit.Global by Design: Why your brand identity and technical architecture should never be limited by your current geography.The ICP Insight: Why putting your product in front of the "wrong" people early on actually helps you find the right ones."Market focus is underrated. If you build for everyone, you build for no one. You have to narrow down to the people who actually have the problem."Founder: Charles Kojo PeprahProduct: JamPolls (Audience intelligence and engagement)Mindset: Building from Accra for the global market.
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#01 — How We Got Our First 10 Users
"Early traction isn't a tech problem—it's a people problem."In this episode, Maxwell sits down with Sedem, the founder of Skill Club, to discuss the raw, unpolished reality of getting your first 10 users in the Ghanaian tech ecosystem. Forget the polished landing pages and complex algorithms; Sed breaks down why building a "bridge" between talent and companies requires doing things that don't scale.The Talent Paradox: Solving the "no experience, no job" loop for African creatives.Going Where the Noise Is: How to leverage existing communities (like Code and Cocktails) instead of running ads.The "Manual" Algorithm: Why Sedem personally hand-delivered profiles to founders to guarantee success.Founder Advice: Why you need to stop hiding behind your landing page and start "contact sports" recruiting."Your first 10 users shouldn't find you. You should find them, listen to them, and build the bridge one person at a time."Founder: Sedem BalfourProduct: Skill Club (Bridging the gap for technical and non-technical talent)Location: Accra, Ghana
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#00 — Intro to The Reverb from Sandbox Réseau
Building in the 233 can be noisy.There are tweets, threads, hot takes, and endless advice. But in all that noise, the real lessons from builders sometimes get lost.The Reverb, from Sandbox Réseau, is a fast-paced 3–5 minute podcast capturing insights from the founders, operators, and builders shaping Ghana’s tech ecosystem.Each episode features one builder sharing a hard-earned perspective on building products, finding customers, navigating pivots, and growing startups in the real world.Short. Focused. Builder-first.In this intro episode, Maxwell introduces the vision behind The Reverb and what listeners can expect from the show.One builder. One perspective. One insight worth carrying into your next commit.
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ABOUT THIS SHOW
The Reverb is a fast-paced tech podcast capturing real conversations from the Sandbox Réseau community.Each 5-minute episode distils insights, ideas, and lessons from builders actively creating, stitched together into a tight, signal-rich experience.No fillers. Just what people are building, thinking, and learning right now.We dive into:The Build: Tech stacks that scale.The Launch: Real market friction.The Glitch: The "Oh Sh*t" moments.Hosted by Maxwell Cofie, it’s a high-energy sprint through the minds building Africa's future. Plug in. Sync up. Get back to building.
HOSTED BY
Maxwell Cofie
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