A build can be
The phone going unanswered is usually the one thing that's broken.
When you are on a job, the next job is calling. If nobody picks up, that lead goes to whoever does.
A build here answers, captures, and follows up. It is not a receptionist subscription. It is a system that belongs to you, documented so a normal employee can run it.
This is not a separate product with its own price. It is one shape of Build One Thing: one system, From $5,000.