On a $30k loan at 7%, an extra $100/month saves about $1,000 in interest and 10 months. Verified amortization math,…
The machinery behind our debt-free year: the one-page project sheet, intensity budget, roll-forward rule, and the four fail modes that…
Both payoff methods on the same debt stack, verified: the ordering gap is smaller than you think and the payment…
Payment history and utilization are ~65% of your score - utilization has no memory and moves in one cycle. The…
Mt. Gox, Celsius, FTX: exchange balances are claims on a counterparty. Hot vs cold wallets, the practical middle ground, and…
Sizing bitcoin from 1% to 5% with real drawdown math: an 80% crash costs 2.4% of your portfolio at a…
Location decides whether a vending machine earns $50 or $500 a month. How I scouted, pitched, and secured profitable spots…
2008 fell 57% and took ~4 years to recover; 2020 fell 34% in five weeks. A year-by-year walk through crashes,…
Lump sum beats 12-month DCA roughly two-thirds of the time historically. Verified worked example, the regret asymmetry, and the hybrid…
The first $100k is ~79% deposits - compounding barely helps early. Verified timeline table at five savings rates and the…
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