Built with Claude · May 2026

From Idea to Shipped
in 20 Hours

How a solo founder builds production-ready SaaS, marketplaces, and online shops with Claude. The guide, the templates, and the complete boilerplate code — auth, payments, email, legal, deployment, everything in.

Three tiers: €19.99 (E-Book) · €69.99 (Templates) · €99.99 (Boilerplate) — or bundled for up to 12% off

🛡️ 60-Day Money-Back📥 Instant Download🔓 DRM-Free

The unvarnished version of the story

I built tradingstrategies.work in 70 hours, alone. With all the dead ends, all the wrong decisions, all the learn-as-you-go.

Those 70 hours are now available as the guide, the setup templates, and the finished boilerplate code. With Tier 3, you need 20 hours max — because the foundation is built, and you just plug in your own product.

Not a marketing claim. The difference between 70 and 20 hours is the gap between learning as you go and starting from a proven foundation.

Three tiers, three paths

Pick the package that matches your situation. Tier 1 to learn, Tier 2 to ship with Claude Code, Tier 3 to launch directly. Or combine as a bundle and save.

E-Book

Tier 1

Learn the stack

€19.99

~35–40h build time

  • Complete guide as e-book (English)
  • 13 chapters + 3 appendices
  • Stack, auth, payments, email, legal
  • Architecture reference for 11 modular extensions
  • DRM-free, EPUB format
  • Also available in German separately
  • CLAUDE.md setup templates
  • Boilerplate code
📦Delivery: 1 EPUB file (DRM-free). Instant download via email link after payment.
🛡️60-Day Money-Back Guarantee

+ Templates

Tier 2

Ship with Claude Code

€69.99

~27–30h build time

  • Three CLAUDE.md setup templates
  • Generic Web Product · Marketplace · Content Platform
  • Step-by-step onboarding for Claude Code
  • Activation flow for all 11 optional modules
  • You write the code yourself, with a clear roadmap
  • English (Claude Code prompts)
  • The e-book
  • Finished boilerplate code
📦Delivery: 1 ZIP archive with 3 Markdown templates + README. Instant download via email link after payment.
🛡️60-Day Money-Back Guarantee
★ Recommended

Boilerplate

Tier 3

Ship in 20 hours

€99.99

max 20h build time

  • Production-ready Next.js boilerplate code
  • Auth (Email/Password, Google OAuth, Magic Link, 2FA)
  • Stripe (Subscriptions + one-time + webhooks)
  • Resend bilingual EN/DE (5 email templates)
  • Admin dashboard, GDPR legal pages, cron jobs
  • 11 modules: Blog, Social, Custom Products, Newsletter DOI, Telegram, Referral, Quality Filters, Audit Triggers, authedFetch, …
  • ZIP download via Digistore24 after purchase
  • The e-book
  • CLAUDE.md setup templates
📦Delivery: 1 ZIP archive with complete Next.js code + SQL schemas + documentation + license. Instant download via email link after payment.
🛡️60-Day Money-Back Guarantee

Save more with bundles

Want to combine?

If you need more than one tier, you save with a bundle. Delivered as a single ZIP containing all included items — no separate downloads per tier. Instant download via email link after payment, 60-day money-back guarantee via Digistore24.

Bundle 1

E-Book + Templates

€79.99

€89.98

−€9.99 (11%)

📦Delivery: 1 ZIP archive with E-Book (EPUB) + Templates folder. Instant download via email link after payment.
🛡️60-Day Money-Back Guarantee
Buy bundle →
★ Best deal

Bundle 2 — Complete

E-Book + Templates + Boilerplate

€169.99

€189.97

−€19.98 (11%)

📦Delivery: 1 ZIP archive with E-Book (EPUB) + Templates folder + Boilerplate-Code folder. Instant download via email link after payment.
🛡️60-Day Money-Back Guarantee
Buy bundle →

Bundle 3

Templates + Boilerplate

€149.99

€169.98

−€19.99 (12%)

📦Delivery: 1 ZIP archive with Templates folder + Boilerplate-Code folder. Instant download via email link after payment.
🛡️60-Day Money-Back Guarantee
Buy bundle →

What exactly do you get?

Click a section to see the details.

Tier 1 — The E-Book

13 chapters + 3 appendices, ~1,700 lines of practical reference

+

Table of contents

  • Part 0 — Before You Start (stack, toolchain, honest costs, Path A/B/C)
  • Part 1 — Stack Decisions
  • Part 2 — The Claude + v0 Workflow (the chapter other guides skip)
  • Part 3 — Project Setup (Vercel, Supabase, Cloudflare)
  • Part 4 — Authentication (with the WebView OAuth trap)
  • Part 5 — Payments (Stripe, webhooks, EU right of withdrawal)
  • Part 6 — Email System (Resend, bilingual)
  • Part 7 — Automation (cron jobs, social posting risk)
  • Part 8 — Legal & Compliance (GDPR, EU tax considerations)
  • Part 9 — Deployment (launch checklist)
  • Part 10 — Analytics & Monitoring
  • Part 11 — What I'd Do Differently
  • Part 12 — The Boilerplate Repository
  • Appendix A — ENV Variable Reference
  • Appendix B — Supabase Schema Reference
  • Appendix C — Modular Extensions (all 11 modules described)

Note: the 20-hour claim applies to Tier 3. With just the e-book, expect ~35–40 hours because you write the code yourself.

Tier 2 — Plus 3 CLAUDE.md Templates

Setup templates that let Claude Code structure your project for you

+

Three product-specific templates. Pick the matching one, hand it to Claude Code, and it asks you the right questions, lays out the file structure, and walks you step by step to a finished platform.

  • Generic Web Product — classic SaaS, business tools, plan-based web products
  • Marketplace — multi-sided platforms with provider/buyer flows and Stripe Connect
  • Content Platform — premium content, newsletters, community products

Plus: activation steps for each of the 11 optional modules (Blog, Social Composer, Custom Products, Admin Dashboard, Newsletter DOI, i18n, Telegram, Referral, Quality Filters, Mass-Delete-Guard, authedFetch).

With Tier 2 you still write the code — but with a clear roadmap and no guesswork. Templates are in English (Claude Code prompts).

Tier 3 — Plus the Full Boilerplate Code

Production-ready Next.js code where you just plug in your product

+

Included in the boilerplate

  • ✓ Complete authentication (Email/Password, Google OAuth with WebView fallback, Magic Link, TOTP/2FA)
  • ✓ Stripe integration (subscriptions, one-time, Customer Portal, full webhook lifecycle)
  • ✓ Resend (5 email templates, bilingual EN/DE: order confirmation, renewal, cancellation, refund, account deletion)
  • ✓ Feature-guard system (server-side + client-side, plan-aware)
  • ✓ Account self-service (profile, plan, security/2FA, account deletion)
  • ✓ Admin panel (stats, user management, newsletter broadcast)
  • ✓ SEO (robots.txt, sitemap.xml, OG/Twitter tags)
  • ✓ Legal page templates (Impressum, Datenschutz, AGB, Cookies — DE/EN bilingual with [FILL IN] markers)
  • ✓ Pirsch Analytics (cookieless, EU-hosted)
  • ✓ Cloudflare Turnstile (ENV-gated)
  • ✓ 30-min inactivity auto-logout + authedFetch token refresh
  • ✓ Changelog system

Plus all 11 modules

  • M1 Blog System · M2 Social Composer · M3 Custom Products / Wizard
  • M4 Admin Dashboard · M5 Newsletter (Double-Opt-In)
  • M7 Telegram Bot · M8 Referral System
  • M9 Quality Filters · M10 Mass-Delete-Guard + Audit Triggers · M11 authedFetch

Delivery: 1 ZIP archive via instant download from email link after Digistore24 purchase. Single Developer License. Build-tested, lint-clean, type-clean. 60-day money-back guarantee.

What you don't get

So you know what you still have to bring yourself:

  • Your specific product idea. What your SaaS does is your job.
  • A lawyer for serious legal questions. The legal templates are templates — not legal advice.
  • Business decisions. Tier 1/2/3 helps you build, not market.
  • Branding and logos beyond an accent color.
  • Lifetime updates. Version 1.0, May 2026, one-time purchase.
👨‍💻

About the author

Christian Luxi

Solo founder, software engineer. I built tradingstrategies.work alone in 70 hours with Claude — a production-ready trading platform with auth, payments, admin dashboard, GDPR compliance, everything.

This guide is the structured version of those 70 hours — every dead end removed, every lesson extracted, every pattern shipped as code in the Tier 3 boilerplate.

Frequently Asked Questions

Which tier is right for me?+
Tier 1 if you want to learn the stack and build everything yourself — you get the full guide but write the code yourself (~35–40h). Tier 2 if you work with Claude Code and want the setup templates without having to write code (~27–30h). Tier 3 if you want to ship in 20 hours and need the production-ready code foundation — recommended for most. Or Bundle 2 for all three at ~11% off.
What's the difference between Amazon and Digistore for the e-book?+
Amazon costs $9.99 and delivers the e-book with Kindle DRM into your Amazon account. Digistore costs €19.99, delivers DRM-free as EPUB direct download. Same content, different platform lock-in. If you use Amazon's ecosystem: Amazon. If you want DRM-free and to read on any reader: Digistore.
Do I need prior experience?+
JavaScript basics are enough. No senior engineer level required. You should be comfortable with the command line, Git, API calls, and databases. If you can run `git clone` and `npm install`, you're good.
How much will my finished SaaS cost to run?+
About $30–40/month at MVP stage (Vercel Free, Supabase Free, Resend Free, domain ~$1). With live traffic and paying users, $80–100/month (Vercel Pro $20, Supabase Pro $25, eRecht24 €9, Pirsch €6).
Are updates included?+
No. Version 1.0, May 2026, one-time purchase. If a future version is released, existing buyers will be informed and offered a discount or upgrade path — but no commitment is made today.
What language is the material in?+
The e-book is available in English and German (sold separately — this page is the English variant; German version via DE toggle at the top). The CLAUDE.md templates and the boilerplate code are in English, with bilingual EN/DE strings for user-facing text. The boilerplate is set up for DACH-market launches with German legal structure.
How does the money-back guarantee work?+
All products come with a 60-day money-back guarantee via Digistore24. If you're not satisfied within 60 days of purchase, you can request a refund without giving any reason — your money will be returned. Handled by Digistore24 as reseller, not by us. You also waive the statutory right of withdrawal for digital instant downloads (§ 356 (5) BGB) at checkout — but Digistore24's voluntary 60-day guarantee goes beyond that and applies in addition.
How does a bundle work technically?+
Each bundle is sold as one product on Digistore24. Delivery as a single ZIP archive with everything in the included tiers — no separate downloads per tier. Bundle 2 contains: e-book + all templates + boilerplate code in one ZIP.
What if I buy Tier 1 and later want Tier 3?+
You buy Tier 3 separately. There's no auto-upgrade path — the tiers are sold via Digistore24 as separate products. If you tested Tier 1 first and then want the full stack, email me; we'll find a pragmatic solution.
Will the code still work in 2027?+
Very likely yes. The tools used (Next.js, Supabase, Stripe, Resend, Vercel) are established. Dependency updates are typically backwards-compatible. If a major version of a vendor brings breaking changes, the adjustment is usually a few hours of work, not a full rewrite.

Start today instead of putting off till tomorrow

The best time to start is now. The second best is right after you've read this guide. The worst is never.