The Lumina Sales blog
Updates, ideas, and practical notes from Lumina Sales on building and selling AI software.
Follow via RSSHVAC is the best first vertical for a small AI agency: a violent seasonal curve, a phone that is the only intake channel that matters, and a labor market that blocks hiring. Here is the demo to build, the price to charge, and the four deals to walk away from.
Ten clients takes about a thousand first-touch emails, two hundred dials, and a demo you can hand over on the first call. Here is the real math, the objection you will actually hear, and who this does not work for.
OpenAI put GPT-Live-1 into the API on September 10, 2026. It listens and speaks at the same time, and the voice layer costs $0.05 a minute. Here is what that changes for an agency selling AI phone systems to local businesses, and the four things it does not fix.
Building your own voice stack is cheaper per minute and more expensive per month. The vendor fees are public and small. The demo site, client portal, branding and intake are the parts nobody quotes you on.
Three things happen between a signed deal and a live build: intake under your brand, the fulfillment order at wholesale, and the client moving into your portal. Here is the full sequence, who owns which piece, and why the client's own answers set the timeline.
The average US roof replacement hit $17,631 in 2025, so every call a roofer misses during a hail week is a five-figure bid handed to whoever picked up. Here is the full playbook: who signs, what to put in the demo, what to charge, and the four roofers you should not bother selling.
Your delivery cost on the top wholesale tier is $500 a month plus the $49 platform fee. Everything above $549 is yours, with no build invoice to earn back first. Here is the input-cost math, the three ways to set retail, and where the model breaks.
The short answer: a white-label stack for agency owners and sales reps who sell custom AI buildouts. A live demo site on your subdomain, a branded client portal, a fulfillment platform, and onboarding help, for $49 a month with no build fee. Here is what each piece does, how the margin works, and who it does not fit.
