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A long-context reviewer that handles proposal writing end to end and hands a human the exceptions rather than the queue. Aimed at last-mile delivery owner-operators, replacing the spreadsheet that currently holds it together.
In short: Proposal Builder for Last-mile delivery, Run by Long context is a long-context reviewer aimed at last-mile delivery owner-operators, covering proposal writing. It scores 70/100 on AltF Ideas, carried by timing (89) and held back by feasibility (51). Typical pricing is $1.2k–$24k per customer per year, with a first version reachable in six to twelve months for $39k–$99k.
Last-mile delivery teams lose proposals rebuilt from scratch that are 80% identical. Every last-mile delivery 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 seat saas, 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) | 19% |
| Annual contract value | $1.2k – $24k |
| Pricing model | Seat SaaS |
| Time to first revenue | 52 days |
| Startup cost to MVP | $39k – $99k |
| Build effort | 6-12 months |
Million-token context windows made whole-document reasoning possible in one pass. Last-mile delivery is growing at roughly 21% 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 |
| A spreadsheet | The real incumbent in most of the market, and it is free |
| A vertical competitor | Priced and scoped for enterprise accounts, not this segment |
Accuracy is unforgiving here — one wrong output costs more than the subscription.
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