# How to Build Voice AI Agents
Replace Your Receptionist This Weekend and Save $35,000 a Year

- Price: $9.99 (Kindle ebook)
- Level: Beginner
- Pages: 180
- Best for: Service businesses cutting costs
- You finish with: Replace your receptionist, save $35K/year
- Buy on Amazon: https://amzn.to/4161PAx
- Web page: https://youcanbuildthings.com/books/voice-ai-agents

## What you get

You're paying someone $35,000 a year to answer phones. A voice AI agent picks up every call, books appointments, qualifies leads, and costs $50 a month. This is the step-by-step playbook covering Bland.ai, Vapi, PolyAI, and ElevenLabs. Zero to a working agent answering real calls this weekend.

## Chapters

1. Your Receptionist Costs $35,000 a Year: The math on why voice AI pays for itself in the first month.
2. What a Voice AI Agent Actually Does: What it handles, what it can't, and where the real savings hide.
3. Pick Your Weapon: Bland.ai vs Vapi vs PolyAI vs the rest: which platform fits your use case.
4. Build Your First Voice Agent in 60 Minutes: Zero-code setup from account creation to a live phone number.
5. Book Appointments and Capture Leads: Connect your calendar, CRM, and lead capture so the agent works while you sleep.
6. The Scripts That Actually Convert: Real prompt templates for sales, qualification, and appointment booking.
7. Five Industries Printing Money with Voice AI: Real estate, dental, legal, home services, and e-commerce, with their exact setups.
8. Go Live: Shadow mode, compliance checks, and rollback plans so you don't lose a single customer.
9. Track the Money: ROI dashboards and cost-per-lead math that prove what's working.
10. What's Next: More lines, more departments, more money. Scaling past the first agent.
11. When Voice AI Fails: Honest downsides and the fixes that keep callers from hanging up.
12. Resources and Your Next Move: Communities, tools, and the roadmap for what to build after this weekend.

## Free guides from this book

- [AI Receptionist for Dentists: $12,950/Month Recovered](https://youcanbuildthings.com/articles/ai-answering-service-dentists.md): How one dental practice replaced after-hours voicemail with a voice AI agent for $180/month and recovered $12,950 in missed patient revenue every month.
- [Build a Voice AI Agent in Under 60 Minutes (No Code)](https://youcanbuildthings.com/articles/build-voice-ai-agent-no-code.md): Step-by-step Bland.ai setup from zero to a live voice AI agent answering real calls. Copy-paste prompt template, 8 test scenarios, and troubleshooting.
- [How to Track Voice AI Agent ROI (With Formulas)](https://youcanbuildthings.com/articles/voice-ai-agent-roi-calculator.md): Build a voice AI ROI dashboard in Google Sheets. Four metrics that matter, the exact formulas, and a worked example from a plumbing company making 642x return.
- [How to Write Voice AI Prompts That Convert Callers](https://youcanbuildthings.com/articles/voice-ai-agent-prompt-template.md): The 7-section prompt framework for voice AI agents with a copy-paste plumbing prompt. Covers objection handling, error fallbacks, and anti-hallucination.
- [Voice AI Agent Failures: 8 Modes and the Exact Fixes](https://youcanbuildthings.com/articles/voice-ai-agent-failures-fix.md): Eight ways voice AI agents fail in production with the exact prompt lines that fix each one. Copy-paste anti-hallucination, silence, and loop-breaker rules.