Voice AI - Build once -> Sell many -> Collect monthly forever.

Follow me on LinkedIn - AI, GA4, BigQuery

I decided at the beginning of this year to niche down early in the AI space. Best decision I made.

The AI space is already crowded with generalists.

People who'll build you a chatbot today, an automation tomorrow, and a voice agent next week. Jack of all trades, master of none.

But here's what I've learned:

Businesses don't want AI generalists. They want an AI specialist in their industry.

Someone who's solved their exact problem fifty times before, not someone figuring it out on their first attempt with their money.

I chose Voice AI.

I decided early on that I would not build custom AI automation systems from scratch for each new client. I'm not chasing one-off project fees. That's a job, not a business.

I want recurring monthly revenue that compounds with every new client.

I want to build a service that businesses depend on like electricity, something they literally cannot operate without.

That's the bar. And Voice AI clears it.

Voice AI has a retention profile that most automation services can only dream of.

Think about what happens once a business tastes an AI receptionist that handles 20-50 calls simultaneously, books appointments, reschedules, answers questions 24/7, has no sick days, no turnover, and no hold times. There's no going back. A single Voice AI agent can replace the entire call centre staff.

They're not cancelling that. Ever. This isn't some optional SaaS tool they'll "revisit next quarter."

It's not a nice-to-have automation they'll cut when budgets tighten. It's the thing answering their phones. It's revenue they'd lose the moment they unplug it.

That's why Voice AI has a retention profile that most automation services can only dream of.

Once you land the client, they're yours for life unless you mess up big time.

Build the service right, and churn becomes a rounding error.

My focus: niche down early in Voice AI, build one system until it's bulletproof, then sell it repeatedly with minor tweaks. Same architecture, same playbook, different clients with nearly identical needs.

Voice AI has natural recurring dynamics that most AI automation doesn't.

Call minutes are usage-based by nature.
Prompts need ongoing optimisation based on real conversations.
Platform updates require maintenance.
The subscription model isn't forced; it's inherent to how the product works.

The best version of Voice AI is vertical-specific.

"Voice AI agents" is still too broad.

"Voice AI for real estate" is a product or Voice AI for Hotels or Voice AI for Dental Clinics”. One you can sell to hundreds of similar businesses.

Build once. Sell many. Collect monthly forever.

I'd suggest you do the same.

Pick your niche now, before the window closes.

If you want to learn more about Voice AI, signup for my premium newsletter, which focuses on Voice AI and related technologies.

But here's what I've learned:

I chose Voice AI.

Voice AI has a retention profile that most automation services can only dream of.

Voice AI has natural recurring dynamics that most AI automation doesn't.

The best version of Voice AI is vertical-specific.

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Himanshu Sharma