I can build it, but can't sell it: A math teacher's first SaaS struggle

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Six months ago, I couldn't write a for-loop. Last week, I shipped a complete AI SaaS product. This week, I'm staring at zero users and realizing: building was the easy part.

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THE SETUP

• Background: Math teacher, zero coding experience
• Timeline: 6 months learning code → 2 weeks building
• Product: ChristmasWall.ai - AI wallpaper generator
• Tools: Claude Code, Next.js, Vercel, Supabase

Why Christmas wallpapers? I needed something simple enough to actually finish. Seasonal deadline = no endless perfectionism.

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THE BUILD (The part I could control)

Stack:

• Next.js + Vercel
• Nano Banana API (image gen)
• Creem (payments)
• Supabase (database)

Real talk: I Frankensteined this together from tutorials and Claude's suggestions. Half the code I don't fully understand. But it works. Users can generate wallpapers, checkout flows process, database stores everything.

Building took 2 weeks. I felt productive. Capable. Like a real developer.

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THE WALL (The part I can't control)

Then I launched on Product Hunt.

Result: Crickets.

Not even mean comments. Just... silence. A flat line staring back at me.

Current situation:

• 3 product directories want to list me (1 wants $99)
• 1 YouTuber (50K subs) proposing "partnership"
• 30 organic visitors total
• 0 paying customers
• 13 days until my market disappears

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THE REAL PROBLEM

I optimized for the wrong skill.

Learning to code felt tangible:
✅ Tutorial says do X → I do X → It works → Dopamine

Marketing feels like chaos:
❓ Reddit post → Downvoted for "self-promotion"
❓ Product Hunt launch → Void screaming back
❓ SEO attempts → No rankings

There's no "correct answer" like in math. I'm completely lost.

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SPECIFIC QUESTIONS (Please help)

1. The $99 directory listing - Legit marketing spend or waste?

2. The YouTuber offer - How do I evaluate a revenue-share partnership when I'm desperate?

3. Post-Product Hunt - It flopped. What's the next move?

4. 13-day crunch - Panic-spend on ads or grind organic content?

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THE HUMBLING PART

In teaching, I could always help students find the answer.

Now I'm the student, and I don't even know what questions to ask.

Half-formed thoughts bouncing in my head:

• Did I build something nobody wants?
• Is Christmas wallpapers too niche?
• Should I have validated demand BEFORE building?
• Should it have been 3 months code + 3 months marketing?

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THE ASK

I'm not looking for sympathy. I need brutal honesty:

→ How do you find your first 10 users with zero audience?
→ Is paid promotion worth it at the pre-revenue stage?
→ Should I cold-email productivity newsletters/podcasts?
→ How do you evaluate sketchy partnership offers?

I clearly missed something fundamental. Help me see it.

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Link: https://www.aimagic.christmas/
(Yes, I know I should've thought about distribution first. Learning that lesson now.)

—Eason