TOOL_02 / Investment math

ROI in seconds.

Move four sliders. See your monthly cash flow, payback timeline, and 10-year property uplift — based on real Puget Sound rent and build-cost data.

MODULE_02 / Investment inputs

All-in build cost$320,000

$180K$650K

Expected monthly rent$2,400 / mo

$1.5K$4.5K

Property value uplift75% of build cost

40%110%

Ownership cost ratio22% of rent

10%40%

Ownership covers property tax, insurance, vacancy, and maintenance. Default 22% reflects King County 2024 norms.

ESTIMATE_OUT / Returns

Net monthly cash flow

$1,872

Cash-on-cash yield

7.0%

Simple payback

14.2 yrs

10-yr rental income

$224.6K

Property value lift

$240K

10-year total return$464.6K

Rental incomeEquity uplift

Conservative model — does not include appreciation, tax shield, or rent growth. Real returns historically outperform on Puget Sound lots.

DISCLAIMER · Modeled returns, not financial advice. Confirm rents and costs in a feasibility study.

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