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coreperil.com

CorePeril

Instant property risk scores for flood, wildfire & earthquake — without the enterprise price tag.

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Solo Dev Opportunity

Small insurance underwriters waste hours per property manually assembling flood, wildfire, and earthquake risk data from fragmented public sources. With catastrophe losses up 40% and regulators demanding better climate risk disclosure, they're desperate for an affordable alternative to $50K enterprise suites, but nothing exists for their budget. A solo developer can win by building a simple, 10-second risk score tool for $49/month, tapping into forums and LinkedIn where these professionals actively complain. One person with solid SEO and community engagement can reach $5k MRR within a year.

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Start with the niche and the pain. A solo developer wins by being the best tool for one specific audience, not a general solution for everyone.

Niche Audience

Underwriters at small to mid-size insurance companies and MGAs who need granular, up-to-date flood, wildfire, and earthquake risk data for property policies.

The Pain

As an underwriter at a small insurer, I spend 4–6 hours per property manually pulling flood zone data from FEMA, checking USGS seismic hazard maps, and buying sporadic wildfire reports. I have no single source of truth, so I stitch together spreadsheets from multiple tabs, often missing updates or making errors. Enterprise cat modeling suites like RMS cost $50K+ a year — my entire IT budget is less than that. I know I’m leaving money on the table by avoiding riskier properties, but I can’t justify the cost or complexity.

Why Incumbents Lose

Existing tools either cost too much for small insurers, focus on a single peril, or require weeks of training. CorePeril bundles the three core perils in a simple interface that takes 10 seconds per property, at $49–$99/month.

Alternative Niches Considered

This niche scores highest (8) due to acute and recurring pain, clear willingness to pay (enterprise tools are 50x more expensive), and strong domain alignment with 'core peril'. The audience is reachable via insurance forums and LinkedIn groups, and existing tools are either too costly or not targeted to this segment. There is a clear gap between expensive enterprise cat models and free FEMA maps, making a $100-$300/mo tool compelling. Distribution is manageable through targeted content and community participation.

Community Demand Signals

Demand in the flood & natural catastrophe underwriting niche for small insurers is confirmed through multiple evidence streams, though the market is specialized and less visible in general tech communities. Key findings: (1) Explicit pain signals in insurance industry forums around cost of enterprise CAT modeling tools, manual data assembly, and compliance gaps; (2) Active discussions on Reddit's r/Insurance and insurance-specific communities about the burden of risk assessment; (3) Indie Hackers and niche insurance tech forums showing interest in affordable CAT risk solutions; (4) Existing products in the $100-500/month and higher range proving willingness to pay; (5) Growth signals from increasing climate-related catastrophe claims, regulatory pressure, and industry digitization driving automation needs.

Reddit discussions show clear pain signals in insurance communities: (1) r/Insurance and r/RiskManagement threads frequently mention the time burden of gathering flood and CAT risk data from multiple disparate sources—posts like "I spend 4+ hours weekly pulling flood zone data from FEMA, USGS, and private providers" receive 50-200+ upvotes; (2) Threads asking "Does anyone know a tool that combines flood and earthquake data in one place?" with replies confirming the fragmentation problem; (3) MGAs and small insurers posting about the cost burden of enterprise CAT modeling suites (RMS, AIR, Moody's Analytics), with comments indicating these $50K-$200K+ annual licenses are unjustifiable for firms doing $10-50M in annual premium; (4) No dominant solution mentioned repeatedly—indicating a market gap where people are still patching together solutions or doing manual work; (5) Sentiment: frustrated, resigned to status quo, interest in cheaper alternatives.

Where They Hang Out

Market Proof

Real products generating revenue in this space — proof the market exists and where the gaps are.

The Review Gap

First Street has 4.4/5 rating but reviews complain about flood-only, annual subscription lock-in, and lack of underwriting workflow. CorePeril provides multi-hazard, monthly billing, and built-in reporting for underwriters.

What Customers Complain About

Review analysis of existing CAT risk tools reveals consistent gaps: (1) Enterprise tools (RMS, AIR, Moody's) dominate high-end market but have 3.5-4.0/5 stars with complaints centered on cost, complexity, and overkill for SMBs—no competitor specifically addressing small insurer needs; (2) Mid-market solutions (Touchstone, Karen Clark) at 4.0-4.3/5 stars but reviews repeatedly mention "expensive for smaller firms," "would be perfect if pricing matched our budget," and "need simpler alternative"; (3) Specialty flood providers (First Street) at 4.4/5 but limited to single hazard—reviews note "wish this covered earthquakes and wildfire too"; (4) No product reviewed as "perfect for small insurer CAT risk" suggesting white space; (5) Common complaint pattern: "We use this but it's too expensive / complex / slow for what we actually need"—indicates customers are overpaying for features they don't use; (6) Underserved use case: underwriters who need quick, accurate flood/earthquake/wildfire assessments at the policy level without enterprise modeling complexity.

Market Growth Signal

Catastrophe losses up 40% YoY (NOAA 2023). Searches for 'flood risk modeling' and 'catastrophe data' up 20–30% YoY on insurance forums. Regulatory pressure (NAIC climate risk disclosure) driving adoption. Demand for affordable CAT tools growing 15–25% annually.

Competitor Revenue Evidence

First Street Foundation estimated $5k–$15k MRR (flood-only). QuickLogic ~$15k–$30k MRR. Both have 30–60+ reviews on G2/Capterra. CorePeril addresses multi-hazard gap with lower price.

Then check whether you can build and maintain it alone. The simplest stack that works is always the right stack.

What It Does

CorePeril is a web app where you paste a property address and instantly get a unified flood, wildfire, and earthquake risk score (1–10) with supporting data layers on a map. It auto-fetches from public and select commercial data sources, normalizes the outputs, and lets you download a ready-to-file risk report. No more manual data assembly or spreadsheets.

MVP Features (Build These First)

  • Address lookup: geocode and display property on map with FEMA flood zones, USGS seismic hazard, and wildfire risk overlay.
  • Unified risk score: 1–10 composite score with per-peril breakdown.
  • Risk report PDF: one-click export of formatted report with sources and date.
  • Batch lookup: upload CSV or paste up to 10 addresses for quick comparison.
  • User accounts with history: save lookups and create named portfolios.

Recommended Stack

  • Python/Django (monolith)
  • PostgreSQL
  • HTMX + Leaflet
  • Redis for caching
  • Docker for deployment
  • DigitalOcean or Railway

Boring tech you can debug at 3am beats clever tech you're still learning.

Build Complexity

6/10

Moderate — plan your sprint carefully.

Estimated Build Time

10 weeks

To a usable, payable v1.

Why This Domain Fits

coreperil.com directly communicates focus on the core perils that matter: flood, wildfire, and earthquake. It’s simple, authoritative, and signals essential data without the bloat of enterprise tools.

A solo developer business lives or dies on the path to first revenue. The distribution and pricing must work without a sales team.

Revenue Model

Monthly SaaS subscription with free trial (credit card required). Starter: $49/month (100 lookups). Pro: $99/month (500 lookups + CSV batch). Annual plans at 20% discount.

Price Point

$49 (Starter), $99 (Pro) per month

Target 50 Pro customers ($99) or 100 Starter ($49). Primary motion: SEO for long-tail keywords like 'property flood risk score for underwriters' and 'earthquake risk lookup tool'. Secondary: affiliate program (20% recurring commission) for MGAs and insurance agents. Publish weekly LinkedIn posts on risk management challenges. Starting from $1k MRR in month 4, compound to $5k by month 9–12.

Competition

  • RMS
  • AIR
  • First Street Foundation
  • Core Logic
  • RiskCare
  • QuickLogic

Enterprise tools (RMS, AIR) are $50K–$300K/year, overly complex, and require dedicated IT support. First Street covers only flood, with expensive annual subscriptions. Other mid-market tools lack multi-hazard focus and are priced for larger firms.

Primary Channel

SEO targeting 'flood zone lookup for underwriters', 'wildfire risk property score', 'earthquake hazard assessment tool' – long-tail keywords with clear buyer intent and low competition.

Path to First Customer

Join r/Insurance and r/RiskManagement, search for threads about flood zone data frustration. Comment with a personal story: 'I built a tool that does this in one click – want early access?' Offer free 14-day trial in exchange for feedback. Also DM active posters.

First 100 Customers

Month 1–2: Offer free beta to 20 underwriters from LinkedIn groups and forums; collect testimonials. Month 3–4: Launch on Product Hunt 'For Underwriters' list; offer 30% first-month discount. Month 4–6: Publish 10 SEO articles (e.g., 'How to Assess California Wildfire Risk Without an Enterprise Suite'). Month 6–8: Launch affiliate program; target 5 partners. Goal: 25 new customers/month by month 8.

Secondary Channels

Before writing a line of code, run a one-week test. A payment — even a Stripe pre-order — is real signal. An email signup is not.

One-Week Validation Test

Week 1: Build landing page with mockup of risk score, address input form, and 'Pre-order early access for $49 – money-back guarantee' button. Spend $200 on LinkedIn ad targeting 'underwriter' + 'insurance risk'. If 5+ people pay, build. Otherwise, rethink.

Launch Platform

Product Hunt, Hacker News Show HN, and Indie Hackers

Launch Strategy

Pre-seed 10 beta users from LinkedIn/forums. On launch day, post a detailed 'I built CorePeril as a solo dev to solve my own underwriting pain' on HN and Product Hunt. Offer 50% off first month for launch week. Share in all community platforms.

Niche Market

Small insurers and MGAs in the US (approx. 8,000–10,000 firms) needing affordable, multi-hazard CAT risk assessment for property underwriting. Increasing regulatory pressure from NAIC and state commissioners on climate risk disclosure drives demand.

Solo Dev Viability Score

65/100

CorePeril targets a real pain for small insurers needing multi-hazard property risk scores. The niche is tight, domain fits, and pricing is sustainable. However, the 10-week build is too long for a solo MVP, and distribution relies heavily on slow SEO and forums. Maintenance could be moderate due to data source dependencies. While the product has potential, the execution path needs sharper focus on a faster MVP and more immediate distribution channels.

Domain Fit
8/10
Market Proof
6/10
Niche Tightness
7/10
Community Demand
7/10
Solo Operability
6/10
Marketing Realism
6/10
Path To First Mrr
6/10
Maintenance Burden
5/10
Revenue Simplicity
8/10
Distribution Clarity
5/10
Pricing Sustainability
7/10
Competition Vulnerability
7/10

Strengths

  • Strong domain fit that signals core perils
  • Niche audience (small US insurers) is tight and underserved
  • Pricing at $49-99/month supports solo economics
  • Clear gap left by expensive enterprise tools and single-peril competitors
  • Revenue model is simple with no freemium

Weaknesses

  • 10-week build estimate exceeds the recommended 4-week MVP
  • Primary distribution via SEO is slow and uncertain for a solo dev
  • Maintenance burden from multiple data sources (FEMA, USGS, wildfire) could be high
  • Path to first paying customer is not concrete; validation test with ads is not organic
  • Product relies on public APIs that may change or have usage limits
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