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A narrow long-context reviewer scoped to proposal writing alone — no platform, no migration, no six-month rollout. Aimed at construction project managers, replacing the spreadsheet that currently holds it together.
In short: Long context-Powered Proposal Builder for Project Managers is a long-context reviewer aimed at construction project managers, covering proposal writing. It scores 79/100 on AltF Ideas, carried by timing (92) and held back by feasibility (27). Typical pricing is $4.5k–$67k per customer per year, with a first version reachable in six to twelve months for $30k–$95k.
Construction teams lose proposals rebuilt from scratch that are 80% identical. Every construction team solves this the same way: someone stays late. It scales linearly with headcount, so growth makes it worse rather than better.
A narrow long-context reviewer scoped to proposal writing alone — no platform, no migration, no six-month rollout. Revenue is data subscription, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $1.4B |
|---|---|
| Category growth (CAGR) | 18% |
| Annual contract value | $4.5k – $67k |
| Pricing model | Data subscription |
| Time to first revenue | 54 days |
| Startup cost to MVP | $30k – $95k |
| Build effort | 6-12 months |
Million-token context windows made whole-document reasoning possible in one pass. 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 vertical competitor | Priced and scoped for enterprise accounts, not this segment |
The incumbent is a person, and displacing a person is a change-management problem.
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