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Case study · Aatech Consultores

Starting a business with AI in four hours, with nothing paid for

In September 2026 we ran a hands-on workshop for a group of Cypriot students on placement in Seville, from Business Administration and IT. The goal wasn't to demo tools. In four hours, each team walks out with a business model chosen, an idea that has survived criticism, a name, a logo, its keywords, and a website live on the internet — without paying for software.

The starting point was Claude Code, the tool we use daily at the agency to build and automate. But a terminal agent makes no sense for a group that mostly doesn't code. So the workshop was built around a different question: how far can someone with no technical background get today, with one Google account and four hours?

  • Nothing paid forFree accounts throughout. The only optional cost — your own domain — is spelled out, not hidden.
  • A business, not an exerciseModel, idea, name, logo, keywords, website — the pieces you actually start with.
  • Really publishedThey finish with a working address, not a mockup on a laptop.

The workshop script

Open this during class

Two sessions, two hours each. Google-first: one Google account carries the longest-lasting free allowance, so Gemini does most of the heavy lifting and everything else is a second opinion or a backup. Work in pairs — one screen, two brains.

Worth knowing, not hands-on today: OpenClaw and Hermes Agent are free, open-source agents you install on your own machine, with access to your files, your messaging apps and your command line. That's real power and a real risk, and it needs a setup we don't have time for today. Check the exact domain before installing either — several near-identical copycat sites exist under similar names.

Before we start

First 25 minutes of day 1 · context, and how to actually talk to an AI

0:00 – 0:15 · Welcome Who's teaching this, and why
  • Founded Multiplicalia in Seville, an agency that's spent over a decade helping businesses sell online — web design, SEO, ecommerce.
  • Also run Aatech Consultores, building AI agents for real businesses: product descriptions, store chatbots, blog writers, A/B testing.
  • Taught this kind of practical class before at the University of Seville — and always included what didn't work: a video game project, an influencer business that went nowhere. Failing is part of the story, not something to hide.
  • The mistake I see most in client sites: heavy page builders. Real numbers from our own rebuilds — dropping the page builder for hand-written code took one site's mobile PageSpeed from 53 to 98; another saw search clicks rise 32% in six weeks; a third site's homepage went from 794KB to 275KB and its load time from 8.8s to about 2 seconds. Same content, without the code nobody asked for.
  • What we're doing here: in four hours you won't learn "about AI". You'll launch something. By tomorrow afternoon it will be live on the internet.
0:15 – 0:25 · Concept Types of AI, in plain terms

LLM — the model itself. Give it text, it predicts what comes next. On its own it doesn't do anything, it only answers.

Chatbot — an LLM wrapped in a chat window. Still just answers, one turn at a time.

Agent — give it a goal and tools (read a file, search the web, write code, call another service) and it loops on its own: think → act → check the result → decide what's next, until the goal is done.

You'll see the difference yourself tomorrow: asking "how do I build a website?" gets you advice you still have to act on. Telling an agent "build this page" gets you the file, written, checked and corrected until it works. Same model underneath — what changes is whether it's allowed to act.

Three prompting moves — use them at every step

1. Borrow a mindset. The same question answered "as a consultant" and "as the person who has to write the cheque" gives two different answers. Try:

  • "Act as Jeff Bezos. Use the working-backwards method: write the press release for this product as if it already launched, then tell me what we'd have to build to make it true."
  • "Act as Charlie Munger and invert the problem: don't tell me how to make this succeed, tell me exactly how to guarantee it fails."
  • "Act as a venture capitalist doing due diligence. Give me the three questions that would kill this idea."
  • "Act as my most sceptical potential customer. Why would you not buy this?"

2. Ask for a format. Prose lets the AI waffle; a format forces it to commit. Match the format to the job:

  • Comparing options → "as a table with columns: option / who pays / realistic first-month revenue / upfront cost / main risk"
  • Anything going on a slide or a webpage → "as 5 bullets, maximum 8 words each"
  • Something you want to save and publish → "as a single HTML file with the CSS inside it"
  • Next steps → "as a checklist I can tick off today"

3. Iterate, don't restart. Reply to the last answer instead of writing a new prompt — it already remembers everything:

  • "Make it 50% shorter."
  • "Keep the structure, change the tone to something a 20-year-old would actually read."
  • "You gave me 10 ideas. Drop the 7 weakest and go deeper on the rest."
  • "Now rewrite it for someone who has never heard of us."

AI training for your team or your school?

This same format — nothing paid for, no code, and something published by the end of four hours — adapts to companies and education centres. Aatech Consultores designs and delivers tailored AI workshops.

Seville, September 2026 · Aatech Consultores S.L.

All the tools, in one place

Every account here is free. The only optional cost is your own domain, and that is spelled out in Step 6.

Your toolkit
ToolWhat you'll use it forWhere
Gemini — main toolChoosing the model, finding and testing the idea, naming it, the logo, the copy, the website codegemini.google.com
Google TrendsChecking for free what people actually search fortrends.google.com
Cloudflare PagesFree hosting for the finished site, under your own accountpages.cloudflare.com
Google AnalyticsKnowing whether anyone actually visitsanalytics.google.com
ClaudeSecond opinion on the idea; backup builder that previews the page as it writes itclaude.ai
ChatGPTThird opinion; alternative logo generatorchatgpt.com
CanvaLogo from templates when the generated one isn't usable — free plancanva.com
CapCutAssembling the 30-second video over your generated images — free plancapcut.com
Your two networksClaiming the brand name and publishing the first week of postsInstagram · LinkedIn · TikTok

Did this help? Leave a review

If the workshop was useful, a short public review is the most useful thing you can give back. It takes a minute, and for a small agency in Seville it genuinely matters.

Review Multiplicalia on Google

Multiplicalia is our sister agency — fifteen years of web and SEO work is what makes this workshop possible.

Want this AI workshop for your team or your school?

We run it for companies, universities and training centres, in English or Spanish, on site in Seville or remotely.

The session above is the exact script we delivered. We adapt the business examples to your sector: the structure stays, the cases change. For companies we usually replace the "build a business" thread with "automate a process you already have", which makes the four hours pay for themselves the same week.

If you'd rather start with your own processes than with a workshop, the AI consulting page explains how we do that, and AI automation services covers what we build afterwards.

Book the workshop

Tell us the group, the level and the sector. We'll tell you honestly whether four hours is enough or whether you need something different.

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