Welcome to Fully Baked, our Sunday newsletter serving up startup ideas as validated as the 2pm post-lunch slump at work 🥱
In today’s edition:
💡 The $4.6B content marketing opportunity hiding in plain sight
🔬 The steps we took to validate this idea
🚀 The go-to-market playbook to start and scale this business
🤑 What does the business model look like?
⚔️ Can you beat the competitors?
❓ The verdict on this idea (go or no-go)
Let’s goooo 🚀


🧲 Marketplace for Lead Magnets
Lead-ing The Way
The Problem: We’ve all seen lead magnets before. Free ebooks, checklists, templates, webinars - the freebies businesses dangle in exchange for your email address. But for businesses and creators building a great lead magnet takes serious time and skill. Most businesses either skip them entirely or churn out something generic that converts at 2% and collects digital dust. Meanwhile, the marketer at the next desk over has spent 6 months perfecting a lead magnet that converts at 34%. That asset just sits there, doing nothing after its initial run. Here's what we're thinking.
The Solution:
💡 The Idea: A marketplace where creators sell and buyers license proven lead magnets
🛠️ Product:
A buyer browses by category (SaaS, ecommerce, fitness) and filters by type - say "email nurture sequences for B2B SaaS" - seeing options with creator ratings and reported conversion benchmarks.
Sellers upload assets, set a one-time or recurring license price, and earn passive income from marketers who'd rather buy proven content than build from scratch.
A built-in white-labelling layer lets buyers swap branding and export in Canva, PDF, or Notion format - ready to publish in under an hour.
🧑💻 Prototyping: Try the demo | Get the demo prompt

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🔬 Validation
🔍 Desktop Research (Googling, Reddit lurking, and Claude counselling)
Content marketing is a $600B industry growing at 14% per year - and lead magnets sit at the heart of it. 91% of B2B marketers use content marketing for lead generation, and the consistent pain point across Reddit and marketing forums is the same: creating lead magnets that actually convert is hard, slow, and most businesses are winging it. Creative Market and Envato prove the marketplace model works for digital assets at scale. There's a clear precedent here.
The wrinkle is AI. AI tools are getting very good at generating lead magnet content fast. The output isn't perfect, but it's decent enough that the "saving time" angle of the marketplace gets weaker by the month.
📋 Survey (88 responses via Pollfish, $1.80/response, ~$158 total)
67% of respondents say they find it hard to know whether a lead magnet will convert before launching it. But when asked "would you pay to license a proven lead magnet or use AI to make your own?", only 28% say they'd pay for a proven asset. Not exactly a ringing endorsement.
📣 Smoke Test ($180 LinkedIn ads over 10 days, targeting marketers and solopreneurs interested in email marketing and lead generation)
We got a 7.2% landing page signup rate to our page. The creative angle that performed best wasn't "buy lead magnets" - it was "see what's actually converting for other businesses in your niche."
Of the signups who replied to our follow-up email, four were genuinely interested. Two specifically said they don't trust AI-generated content to match their brand voice and would pay for something human-made and proven. Two others said they'd just use ChatGPT to create lead magnets.
🚀 Go-to-Market
👥 Early Users
Marketing Communities: r/Entrepreneur (3M+ members), r/marketing (1.5M+), and email marketing Facebook groups are full of people asking "what lead magnets actually work in [niche]?" - that's your supply-side and demand-side in the same place. Post in these forums and you should attract early users.
Creator Partnerships: Reach out to newsletter writers, course creators, and marketing consultants to sell the lead magnets they've already built. Offer a 70/30 revenue share gets quality supply onto the platform - and creators promote it to their own audiences, solving the chicken-and-egg problem that marketplaces face.
📈 Scaling Acquisition
Agency Subscriptions: Marketing agencies producing lead magnets for multiple clients are natural power buyers, paying for library access rather than building from scratch for every client. They’re a natural place to acquire power users when you’re looking to scale.
Email Platform Integrations: A Mailchimp or ConvertKit integration would put the marketplace in front of buyers at the exact moment they need it, setting up a new campaign and realising they don't have a lead magnet. This is a way to get sistribution without ad spend.
🤑 Business Model
🏷️ Pricing
Free: Browse the marketplace, 1 free download per month
Pro ($39/month): Unlimited downloads, white-label rights, conversion data access, Canva export.
🧮 Unit Economics
Target CAC (cost to acquire a customer): $60-90 (community marketing + light paid social)
Target LTV (lifetime value): $468 (12-month subscriber at 40% annual retention)
LTV:CAC ratio: 5-8x on paper - the economics work if you can hold retention. The risk is that as AI gets better, the "proven conversion data" angle is the only thing keeping buyers from churning to a free alternative.
⚔️ Competitive Landscape
🏷️ Primary Competitors
ChatGPT / Claude (Free - $20/month): The most honest answer to who you're competing with. Not a marketplace, not a direct rival - a general-purpose AI that generates decent lead magnet content in minutes for almost nothing. It can't give you proven conversion data, but for most buyers, "good enough fast" beats "proven but paid."
Creative Market ($29-$79/asset): The closest existing model - a marketplace for design templates with 10M+ members. It works because visual quality is hard to fake. Written content is a different story, harder to benchmark, easier to replicate.
🎯 The Gap
Nobody owns conversion-backed lead magnet assets - every existing marketplace sells creative quality, not performance data. If you can make conversion benchmarks credible and verifiable, that's a genuinely defensible moat.
The risk is that the gap is narrowing fast. AI is getting better at content generation every quarter, and the "I'll just make it myself" crowd is growing. The window to build the moat before the market shrinks is probably 12-18 months.
❌ Verdict: NO-GO
The pain is real, the market is big, and the conversion data angle is genuinely interesting, we'll give it that. But our smoke test and the survey data doesn't give us enough conviction to think this idea is worth going for.
The core problem is a moving target: every month AI gets better at content generation, the "proven and human-made" angle has to work harder to justify the price, and the addressable market of buyers who won't just use AI gets smaller.
This isn't a bad idea necessarily, but it's an idea that's running out of time. There could be a window to build a defensible platform around conversion data, but it feels like that window is closing fast. It’s the perfect example of an idea that would have worked well in a pre-AI world, but today it’s much less certain.
👋 That’s All Folks!
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