Guides & Insights

Daily content that shows you how to put every Simple Finance calculator to work.

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Actionable articles built around our free calculators.

Explore how-to walkthroughs, case studies, and market briefings that link directly to the Rent vs Buy, Mortgage, Airbnb ROI, and Long-Term Rental ROI calculators.

How-To · Nov 18, 2025

How to Use the Free Mortgage Calculator to Plan Extra Payments

Build a baseline payment, stress-test loan assumptions, and share payoff timelines with clients.

How-To · Nov 19, 2025

How to Use the Free Rent vs Buy Calculator to Find Your Breakeven Year

Collect rent and ownership assumptions, stress-test timelines, and share breakeven charts with advisors.

How-To · Nov 20, 2025

How to Use the Free Airbnb ROI Calculator to Vet Short-Term Rentals

Input nightly rates, occupancy, and expenses to see cash flow, cap rate, and cash-on-cash return before you buy.

How-To · Nov 21, 2025

How to Use the Free Long-Term Rental ROI Calculator to Model Landlord Cash Flow

Break down NOI, cap rate, DSCR, and cash-on-cash return so every landlord deal is grounded in reality.