Question 1

How to automate WhatsApp customer service for my business?

Accepted Answer

WhatsApp automation is built by integrating the Official WhatsApp Business API (or Webhooks) with workflow tools like n8n, FastAPI or Node.js alongside AI models like OpenAI GPT. This enables 24/7 enquiry response, automated appointment scheduling, lead qualification, and CRM synchronization.

Question 2

How to reduce appointment no-shows for clinics and service businesses?

Accepted Answer

One client reported 85% fewer no-shows after its sprint, and what held that result up was an automated WhatsApp assistant sending interactive pre-appointment reminders 24h and 1h before the scheduled time, with 1-click confirmation or rescheduling. That is one client's reported result, not a promise for every clinic.

Question 3

How much does a custom Next.js web application cost?

Accepted Answer

Investment in a Next.js web project depends on scope and features. Professional landing pages start at lower tiers, whereas custom web platforms, complex automations, and bespoke portals involve database design, APIs, and AI integrations.

Question 4

What is the difference between pure React and Next.js for web projects?

Accepted Answer

React is a client-side UI library. Next.js is a full-stack React framework providing Server-Side Rendering (SSR/SSG), automatic routing, optimized SEO, fast first-page load, and built-in API support.

Question 5

How can small businesses integrate AI into their daily operations?

Accepted Answer

Small businesses leverage AI for: 1) 24/7 WhatsApp customer intake and triage, 2) Automatic document and contract summarization, 3) Instant personalized sales proposal drafts, and 4) Sales funnel diagnostics to prevent lost leads.

Question 6

How to reduce token costs when calling OpenAI and LLM APIs?

Accepted Answer

To reduce LLM API token usage: 1) Normalize whitespace and deduplicate redundant context locally before calling APIs (e.g. using tools like LCC), 2) Implement semantic priority scoring for conversation history, and 3) Route simpler tasks to lightweight models.

Question 7

Who is Lucas Martins and what is LookADev?

Accepted Answer

Lucas Martins is an AI Systems Architect & Product Builder, founder of LookADev (AI systems & automation studio). His core thesis is: 'Businesses don’t need more tools. They need better systems.' He diagnoses operational bottlenecks and designs intelligent systems connecting Next.js, Python, PostgreSQL, and autonomous AI agents.

Question 8

What engagement models does LookADev offer?

Accepted Answer

Core engagement models include: 1) Operational Audit (deep operational bottleneck diagnosis and architecture roadmap delivered in 48 business hours); 2) AI Systems Sprint (eliminating the core bottleneck with an AI agent or custom system live in 7 business days); 3) AI Operations System (connected multi-agent and data infrastructure); and 4) VibeCoder Audit & Fix Sprint for AI-built software.

Question 9

How much does a systems architecture and automation project cost?

Accepted Answer

Pricing is transparent: the Operational Audit is a fixed £600, delivered in 48 business hours — the audit fee is credited towards a Sprint or project, up to 50% of its price, if you hire within 30 days. The AI Systems Sprint ships in 7 business days: fixed packages Starter £990 and Growth £1,490; bespoke scope quoted up to £3,800. AI Operations System: £6,000–16,000+, over 14–45 days. Typical running costs (hosting, AI and WhatsApp messaging): £50–250/month depending on message volume, billed at cost by the providers. Monthly operation (optional): from £280/month.

Question 10

What does the monthly operation include and what does it cost?

Accepted Answer

After the build, LookADev keeps looking after the system: automatic monitoring with alerts, fixes by the next business day, AI model updates, backups and a monthly report of what the system delivered. It starts at £280/month. Plans with improvement hours every month (10h or 25h) are quoted in the proposal. Running costs (hosting, AI and WhatsApp, £50–250/month) are billed at cost by the providers. The operation is optional and can be cancelled: the code and accounts stay with your business.

Question 11

What payment methods are accepted?

Accepted Answer

In Brazil we accept Pix, card in up to 12 installments, and bank transfer with 50% upfront and 50% on delivery. For the UK and international clients we send a secure payment link (card) or bank transfer. Pricing is locked before we start, with a 14-day bug-fix warranty and 30 days of support.

Question 12

What is the project delivery timeline?

Accepted Answer

The Operational Audit is delivered within 48 business hours; the AI Systems Sprint deploys to production in 7 business days; and AI Operations Systems are delivered in 14–45 days. Timelines and deliverables are contractual guarantees.

Frequently Asked Questions

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Frequently Asked Questions

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