Landlord's Best Friend — 50-Year Real Estate & Retirement Simulator

Personal & Planning Inputs

Current Age

Plan To Age (life expectancy)

Other Yearly Income ($)

Example: job income, pension, side business. (Rental income is handled inside properties.)

Desired Annual Spending ($, today's dollars)

Inflation Rate (%)

Rent Growth Rate (%)

Default matches inflation. You can change it.

Real Estate Appreciation CAGR (%)

Vacancy / Downtime (%)

Applies to rentals (reduces gross rent). For short-term rentals, occupancy already matters too.

Non-Property Assets

Cash / Bank ($)

Cash Growth (%)

Stocks / Brokerage ($)

Stocks CAGR (%)

401k / Retirement Accounts ($)

401k CAGR (%)

Other Assets ($)

Other Assets CAGR (%)

Bitcoin "What-If" Comparison

Bitcoin CAGR (%)

CAGR = "Compound Annual Growth Rate". Example: 20% means multiplying by 1.20 each year on average. This is a simple model — real life is volatile.

Bitcoin Starting Amount ($)

If you leave this at 0, the calculator auto-fills it as (cash + stocks + 401k + other + total property equity).

Properties

Add as many properties as you want. Property #1 is the only one that asks "Primary Residence?". Each property can be a rental or not. Rentals can be long-term or short-term.