Build a 31-page niche calculator site in a day
A builder vibe coded a site that tells UK gamers what their PC costs to run, for example about 210 GBP a year for an RTX 5090 rig at 3 hours a day. One file of code, 31 pages, free hosting.
Source
@fixmyvibehq on X · 2026-10-18
Written in our own words. Credit to the original author. Link checked 2026-10-18.
What they did
A builder vibe coded a site that tells UK gamers what their PC costs to run, for example about 210 GBP a year for an RTX 5090 rig at 3 hours a day. One file of code, 31 pages, free hosting.
Result (as claimed)
Live in a day.
Tools they used
Cost: Pricing depends on the tools you pick; check each official pricing page.
Set it up
Pick one goal and metric
For example replies to outreach, ad ideas per week or landing page conversion.
Set up the tools
Open AI coding agent. Load your offer, audience and examples of what already works.
Generate, then review
Have the agent research and draft. You approve every message, post or ad before it goes out.
Measure and iterate
Track the metric for a week, keep what works and feed the results back into the prompt.
Copy the full setup prompt
Paste into your agent and it will walk you through the setup, asking before anything that sends, posts or spends.
You are helping me set up this AI use case end to end in Claude Code. Goal: Build a 31-page niche calculator site in a day What the original author did: A builder vibe coded a site that tells UK gamers what their PC costs to run, for example about 210 GBP a year for an RTX 5090 rig at 3 hours a day. One file of code, 31 pages, free hosting. Reported result (as claimed by the author): Live in a day. Source: https://x.com/fixmyvibehq/status/2111765097517572388 Tools they used: AI coding agent Category: Marketing & growth Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Codex. Goal: Build a 31-page niche calculator site in a day What the original author did: A builder vibe coded a site that tells UK gamers what their PC costs to run, for example about 210 GBP a year for an RTX 5090 rig at 3 hours a day. One file of code, 31 pages, free hosting. Reported result (as claimed by the author): Live in a day. Source: https://x.com/fixmyvibehq/status/2111765097517572388 Tools they used: AI coding agent Category: Marketing & growth Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
You are helping me set up this AI use case end to end in Grok Bot. Goal: Build a 31-page niche calculator site in a day What the original author did: A builder vibe coded a site that tells UK gamers what their PC costs to run, for example about 210 GBP a year for an RTX 5090 rig at 3 hours a day. One file of code, 31 pages, free hosting. Reported result (as claimed by the author): Live in a day. Source: https://x.com/fixmyvibehq/status/2111765097517572388 Tools they used: AI coding agent Category: Marketing & growth Please: 1. Ask me 3 short questions about my situation (accounts I have, budget, what I want the output to look like). 2. Propose a step-by-step plan using these tools or cheaper alternatives, with the time and cost of each step. Use official pricing pages; say "check pricing" if unsure. 3. Then do the setup with me one step at a time, waiting for my OK before anything that sends messages, posts publicly, spends money or deletes data. 4. Finish with a checklist to run it again next time.
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Guides for this use case
How to vibe code an app with Claude Code ยท How to vibe code a game with AI
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