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Proposal writing handled by a retrieval engine, with a human signing rather than writing. Aimed at construction owner-operators, taking the phone queue off a human entirely.
In short: Automated Proposal Builder for Construction is a retrieval engine aimed at construction owner-operators, covering proposal writing. It scores 73/100 on AltF Ideas, carried by timing (94) and held back by monetisation (51). Typical pricing is $700–$8.0k per customer per year, with a first version reachable in about a quarter for $15k–$40k.
Construction teams lose proposals rebuilt from scratch that are 80% identical. Every construction team solves this the same way: someone stays late. Most operators assume this is simply the cost of doing business.
Proposal writing handled by a retrieval engine, with a human signing rather than writing. Revenue is flat saas, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $824M |
|---|---|
| Category growth (CAGR) | 20% |
| Annual contract value | $700 – $8.0k |
| Pricing model | Flat SaaS |
| Time to first revenue | 39 days |
| Startup cost to MVP | $15k – $40k |
| Build effort | ~1 quarter |
Retrieval over private documents became cheap enough to run per query. 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 internal hire | Works until volume doubles, then breaks again |
| An offshore back office | Cheaper per hour, but does not scale down to the tail |
| A generalist AI tool | No domain grounding, so output needs full human review |
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