Notes, real cases and hands-on tools · Zerolagia

The Zerolagia blog.

Practical guides, real-world automation cases and honest tool comparisons. Written for business owners who want to understand what's possible before committing to anything — no jargon, no hype.

Blog · Zerolagia

Notes on automation for real businesses.

Practical analysis, real-world use cases and concrete tools — what works and what doesn't in clinics, hospitality, retail and professional offices.

n8n vs Make vs Zapier: which to choose for your business in 2026

Three tools with very different pricing, models and learning curves. When each one makes sense depending on your business type, automation volume and whether you have a technical team or not.

How to Automate WhatsApp Bookings at a Restaurant on the Costa del Sol (Without Losing the Personal Touch)

Missed calls during high season, soaring no-shows, messages unanswered at 11pm. How AI-powered booking automation works and how to integrate it with TheFork and CoverManager.

Sync stock across Shopify, Amazon and your shop without overselling

What happens when you sell across multiple channels and stock updates don't keep pace. How to prevent overselling with automation without relying on expensive subscription tools.

AI receptionist for clinics: is it worth it and what it costs

What an AI assistant can actually handle at a clinic — appointments, confirmations, common questions — and what it can't. When it makes sense to implement one and what drives the cost.

How to win back inactive patients with automation

Spotting patients who haven't visited recently and reaching out at the right moment is one of the highest-return uses of automation in clinics. How to do it without being intrusive or relying on someone to remember.

WhatsApp Business API vs regular WhatsApp: when you need the API

The free app has limits that only become obvious once your business grows. When the Meta API delivers what the app can't: real automation, multiple agents and tracked outbound messaging at scale.

Is there a topic you're missing?

We write about what really happens automating businesses on the Costa del Sol. If there's a specific challenge in your business you'd like us to cover, send it over — we'll reply, and if it's worth an article, we'll write it.