Buying Decisions

Compare frameworks and run the numbers before making major financial commitments.

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Car Affordability

Calculate your maximum comfortable vehicle budget using the 20/4/10 rule and cash flow.

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Coming Soon

Rent vs. Buy

Compare historical asset growth, maintenance friction, and multi-decade equity outcomes.

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Coming Soon

Prepay vs. Invest

Mathematically determine if you should pay down your loan early or invest the surplus.