CatalystAgile Loan, Lease & Buy-vs-Rent Engine

What you get

Model the financing with a real amortisation schedule — total interest, not just the payment — then compare total cost of ownership against leasing on a present-value basis so the two are actually comparable.

• Full amortisation schedule with total interest
• NPV present-value buy-vs-lease comparison
• Residual value and end-of-term options
• Break-even month
• Offline and private

What's in the ZIP

• Full PWA source (HTML/CSS/JS)
• README-USER-GUIDE.md
• GROQ-OPTIONAL.md hook
• LICENSE.md (single-buyer perpetual)
• Logo + favicon assets
• 1 free hosting walkthrough

Hosting your copy

Drop the unzipped folder into Cloudflare Pages, Vercel, Netlify, or even a S3 bucket. The PWA works as a static site — no Node server, no database, no API key required. Add a free Groq API key later if you want AI-enhance mode (instructions in GROQ-OPTIONAL.md).