Sheet 03 — Case Study
Real estate investing tool
LiveAcquireOps
A deal pipeline, underwriting calculator and equity tracker for evaluating and growing a rental property portfolio.
The problem
Investors run each deal through a different spreadsheet, so comparing candidates is slow, and the equity sitting in properties they already own goes unnoticed.
Who it is for: Rental property investors who evaluate deals and track the equity across their portfolio.
What we built
- Add a property by address, with price, rent, tax and HOA pre-filled from market estimates where available
- A deal pipeline from watching through analyzing, offer, contract and owned
- Underwriting that calculates cap rate, cash-on-cash return, monthly cash flow, the 1% rule and DSCR
- Equity tracking over time with a portfolio trend chart, and a cash-out refinance estimate
- A flag for properties whose cash flow is low against their equity
Engineering quality
- Each account's data is private to it, scoped in every query
- Email-confirmed sign-in, plus Google, GitHub and LinkedIn
- Monthly caps in code on its paid data and email services, so a bill can't run away
- Underwriting math unit tested against hand-checked values
- Vercel BotID, automated axe accessibility tests to WCAG 2.2 AA, secret scanning and static analysis
Tech stack
- Next.js
- TypeScript
- Tailwind CSS
- PostgreSQL
- NextAuth
- Resend
- Vercel
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