The Lumina Sales blog
Updates, ideas, and practical notes from Lumina Sales on building and selling AI software.
Follow via RSSA demo node is one working piece of the system you sell, running live on a page your prospect opens in their own browser. Here are the six nodes, what each one proves on a call, how to sequence them, and where the demo site falls down.
The Census Bureau puts US business AI use at 19.8%, with firms of four or fewer employees under 20% and flat for six months. Meanwhile voice model pricing fell and quality rose. That gap is a distribution problem, and it is the whole reason an AI agency has a market.
HVAC 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.
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.
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.
