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Invoicing handled by a workflow engine, with a human signing rather than writing. Aimed at construction ops teams, writing down what only one person knows.
In short: Construction Invoice Engine is a workflow engine aimed at construction ops managers, covering invoicing. It scores 78/100 on AltF Ideas, carried by monetisation (97) and held back by feasibility (61). Typical pricing is $4.3k–$93k per customer per year, with a first version reachable in about a quarter for $12k–$41k.
Construction teams lose invoices assembled from four systems by hand. A typical construction operation runs this on people, memory, and a shared spreadsheet. The backlog only surfaces when a customer or an auditor finds it first.
Invoicing handled by a workflow engine, with a human signing rather than writing. Revenue is per-outcome, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $1.1B |
|---|---|
| Category growth (CAGR) | 21% |
| Annual contract value | $4.3k – $93k |
| Pricing model | Per-outcome |
| Time to first revenue | 80 days |
| Startup cost to MVP | $12k – $41k |
| Build effort | ~1 quarter |
Connectors exist for systems that were closed five years ago. Construction is growing at roughly 20% a year, and this job has not been re-tooled since it was designed around paper.
| Who | The gap |
|---|---|
| An offshore back office | Cheaper per hour, but does not scale down to the tail |
| An internal hire | Works until volume doubles, then breaks again |
| A vertical competitor | Priced and scoped for enterprise accounts, not this segment |
Every customer wants their own edge cases encoded, so onboarding cost is the real constraint.
An idea you cannot act on is entertainment. Four concrete steps, wired to tools already running on AltFTool.
Score problem urgency, willingness to pay, and reachable audience size before writing any code.
→ AltF IdeaLabAsk how they handle this today and what it costs them. If nobody can quantify the pain, the demand score is optimistic.
→ Survey BuilderCheck availability, DNS, and email authentication in one pass so your first outreach lands in an inbox.
→ AltF DomainOpsStand up intake, the review queue, and billing before you build the clever part.
→ AltF Flow