Real Estate Venture Blueprint

Build the Co-Buying Marketplace That Turns "Priced Out" Into "Owned Together"

A 241-page, step-by-step blueprint for building SplitKey — a co-buying marketplace and legal SaaS that helps friends, siblings, couples, and family members buy homes together, structure the agreement, and manage ownership after closing. Written for a solo founder or a small team, not a venture-backed engineering org.

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241 pages, PDF 6 brand-styled charts & diagrams 20 templates + 110 AI prompts

Donut chart showing first-time home buyers have fallen to a record-low 21% market share

The Problem

Buyers aren't just competing for homes anymore. They're competing with their own qualifying income.

Prices, mortgage rates, and the income needed to qualify have outrun what one income alone can clear. The honest fix for a large share of otherwise creditworthy adults is combining resources with someone else — but co-buying today means stitching together a lawyer, a listings site, a generic legal template, and a consumer expense app, with no single layer built for it.

First-time buyers fell to a record-low 21% share of the market, with a median first-time-buyer age of 40 (NAR, 2025 Profile of Home Buyers and Sellers).
The income needed to afford a typical U.S. home held near a record ~$110,000 through 2026 (Redfin affordability tracking).
Co-buying is a reported, rising trend in expensive metros like Denver and Austin — not a fringe behavior (Axios, Reasons to Be Cheerful) — but no dedicated infrastructure layer serves it.

Bar chart comparing typical household income to the qualifying income needed for a median-priced home

Meet SplitKey

Three connected businesses, one platform

The book walks you through building all three — sequenced so a solo founder can launch a concierge version in weeks, then automate in the right order.

Co-Buying Marketplace

Helps friends, siblings, couples, and family members find or formalize a compatible co-buyer, scored by a weighted Compatibility Engine you build from Chapter 8's exact formula.

Legal / Agreement SaaS

A questionnaire-to-rules-engine-to-draft workflow that generates a jurisdiction-aware tenancy-in-common agreement and routes it to a licensed attorney partner for review.

Ownership Management Platform

Tracks contributions, ownership percentages, shared expenses, documents, decisions, and eventual exit — the $15/month utility that keeps paying customers after the agreement closes.

Built on a Real Legal Framework

SplitKey is positioned as software, education, and document automation — never as a substitute for a licensed attorney, broker, or lender. Chapter 9 shows exactly how to structure that.

What's Included

Everything in the 241-page blueprint

Every chapter is practical and SplitKey-specific — not generic startup advice. Every unverified number is labeled Business Assumption or Illustrative Example, on purpose.

27 step-by-step chaptersFrom the affordability crisis and eight buyer personas through MVP scope, legal workflow, financial model, go-to-market, and a master blueprint.

6 brand-styled charts & diagramsAffordability donut, income-gap bar chart, legal-workflow flow diagram, technology-architecture diagram, revenue-scenario chart, and a case-study results chart.

A full worked case studyGeorge and Sarah's illustrative co-purchase, walked through from ownership split to a year-5 exit scenario — every number labeled Illustrative Example.

110-prompt AI Prompt LibraryReady-to-use prompts across product, legal-prep, marketing, sales, partnerships, financial modeling, and operations — every one specific to SplitKey.

20 ready-to-use appendicesInterview scripts, compatibility and financial-readiness questionnaires, red-flag checklists, outreach templates, a KPI dashboard, and more.

A 90-day execution planWeek-by-week, from problem validation through a paid pilot launch in one metro, with a founder action plan of the first 20 moves.

Who This Is For

Built for the founder doing this with limited capital

Proptech and real-estate-tech founders who want a real, monetizable business idea with a genuine, data-grounded blueprint — not a vague niche list.
Legal-tech and SaaS builders who want a structured attorney-partnership model instead of guessing at unauthorized-practice-of-law risk.
Marketplace builders who want a concrete answer to the chicken-and-egg problem instead of hoping liquidity shows up.
Anyone who wants a business plan that separates verified fact from assumption, so you know exactly which numbers to trust and which to validate yourself.

Before / After

What changes once you have the blueprint

Without It

A vague idea that "people should just buy houses together" with no structured plan to build or monetize it
No compatibility model — no way to explain to users why two buyers are or aren't a good financial fit
No legal workflow — real risk of presenting the product as a law firm or a substitute for one
Guessing at pricing (per person? per property?) instead of working from a modeled recommendation
No plan for the marketplace chicken-and-egg problem, no content engine, no partnership scripts

With SplitKey

A fully scoped three-business product: marketplace, legal SaaS, and ownership management
A ten-factor weighted Compatibility Score with a full worked numerical example
A questionnaire-to-attorney-review legal workflow designed to pair with real counsel, not replace it
A billed-per-group pricing recommendation with the full reasoning behind it
A direct-invite-first launch strategy, a 90-day plan, and 20 appendices of ready-to-use templates

Pricing

One payment. Instant access.

27-chapter step-by-step blueprint (241 pages, PDF)$149

6 brand-styled charts, diagrams & the full case study$39

110-prompt AI Prompt Library for building & marketing SplitKey$29

20 ready-to-use appendices (questionnaires, checklists, scripts)$59

90-day execution plan & the one-page Founder Action Plan$19

Total value$295

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Bonus Resources

Three bonus packs, included at no extra cost

BONUS 1

Worksheets & Checklists

Compatibility questionnaire, financial-readiness questionnaire, co-buyer red-flag checklist, expense-tracker template, and an attorney-review checklist.

BONUS 2

Sample Outreach Templates

A realtor/attorney partnership outreach email, a real-estate-professional partnership pitch script, and an email onboarding sequence — ready to adapt to your own launch.

BONUS 3

Investor-Ready Materials

A Business Model Canvas, a Lean Canvas, and a 12-slide pitch deck outline built specifically for SplitKey, plus a Founder KPI dashboard.

FAQ

Questions before you get started

Is SplitKey a real, live product I can sign up for?

No. SplitKey is a business blueprint — a detailed plan for a co-buying marketplace and legal SaaS you can build yourself. This book teaches you how to design, build, and launch it; it is not a live product or an investment offering.

Is this legal or financial advice?

No. The legal-workflow chapters explain how to structure SplitKey around licensed attorney review, but the book itself is not a substitute for your own attorney or accountant. Every dollar figure that isn't an independently verified, cited fact is explicitly labeled Business Assumption or Illustrative Example.

Do I need to know how to code to use this?

No. Chapter 12 is explicit about which pieces you can stand up no-code first (forms, dashboards, document storage, e-signature, Stripe payments) versus which genuinely need custom engineering later (the compatibility scoring engine and the jurisdiction-aware legal rules engine).

What format do I get the book in?

You get a 241-page PDF — the primary reading format, with all 6 charts and diagrams embedded — delivered as an instant digital download after checkout.

What if it's not for me?

You're covered by a 7-day money-back guarantee. If the blueprint isn't a fit, request a refund within 7 days of purchase.

Does the $499 + $15/month pricing in the book apply to this ebook?

No — that's the price SplitKey (the business you'd build) would charge its own customers, explained and modeled in Chapter 10. This ebook itself is a one-time $49 purchase.