✨ Jacob McDonald • Personal Site & Knowledge Base
“Time is an illusion. Lunchtime doubly so.”
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Direct access to all calculators, financial roadmaps, and personal projects.
Investing & Finance
Financial Freedom 101, Rebalance Calculator, MMF yield comparison matrix, drawdown strategies, and 401(k) maximization.
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MMF Yields
Compare yields across Vanguard, Fidelity, and Schwab money market funds and bond ETFs with dynamic after-tax compounding calculations.
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Target Date Bonds
Interactive yield-to-maturity matrix across 56 iShares iBonds target date ETFs (Treasuries, TIPS, Munis, Corporate, High Yield) from 2026 to 2056.
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Money Hacks
GoodRX prescription hacks, gas price discount stacking (Sam's/Costco/7-Eleven), federal tax discounts, and credit card optimization.
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Roasting Coffee
Roasting green beans at home since 2008, switching to decaf, Sweet Maria's sourcing, and producing amazing coffee for ~$0.16/shot.
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Brewing Beer
Brew-in-a-bag (BIAB) single kettle all-grain conversion method, Brewer's Friend recipes, and brew day photos.
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Photography
Canon EOS R3 gear, 2017 & 2024 total solar eclipses, and a deep-dive resilient travel backup workflow with Android & SD formatting.
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GitHub Projects
Open source utilities including the automated rates fetcher and other software maintained by yottabit42.
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