RentStack is an educational platform for real estate investors. Use our tools to explore deals, understand the numbers behind a property, and build the knowledge to ask the right questions — so you can approach every investment with clarity and confidence.
Key Features
Property analysis
- Purchase price, closing costs, and upfront rehab
- Down payment, interest rate, and loan term
- Per-unit rent with multifamily support
- Operating expenses, vacancy, and cap rate
- Cash flow, cash-on-cash return, and key metrics
- Discount points and PMI (when LTV > 80%)
Educational tools
- Closing cost calculator to understand upfront costs
- What-if loan calculator to explore different scenarios
- Rent estimator to benchmark market rents
- Live mortgage rate data from Freddie Mac PMMS
- Chrome extension sidebar on supported listing pages (address from the page; you enter the rest)
AI assistant
- Ask questions about any deal in plain language
- Context-aware — the assistant uses your current inputs
- Explain metrics, clarify concepts, and explore trade-offs
- Saved chat history for ongoing conversations
Reports & collaboration
- Save analyses and revisit them anytime
- Share reports with partners, advisors, or lenders
- Work through deals together with your team
- Export to PDF for offline review
- Add notes and annotate your saved reports