Buy The Haystack
Free financial tools.
Interactive calculators to see your real numbers. No signup required. No BS.
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Advisor Fee Calculator
See exactly what a 1% advisor fee costs you over your investing lifetime — including the compounding you lose forever.
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Investment Growth Calculator
See what consistent investing actually becomes over time. Adjust your starting amount, monthly contribution, and time horizon.
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401k Growth Calculator
See how much your 401k will be worth at retirement based on your contributions and employer match.
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FIRE Number Calculator
How much do you need to retire early? Find your number based on your annual expenses and target withdrawal rate.
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Roth vs Traditional 401k Calculator
Compare after-tax outcomes of Roth vs Traditional contributions based on your tax bracket and timeline.