Decision Guides
Expert frameworks and deep-dives into the mathematics of everyday tradeoffs.
The 5% Rule: Is Renting a Waste of Money?
We break down unrecoverable costs like property tax, maintenance, and the cost of capital to find the true breakeven point.
New vs Used: The Depreciation Trap
A mathematical look at why a 3-year-old vehicle is often the "Goldilocks" zone for your net worth.
The Commute Tax: Your Hourly Effective Rate
If you commute 10 hours a week, your $50/hr job is actually paying $40/hr. Learn how to calculate the real cost of the office.
Snowball vs. Avalanche: Psychology vs. Math
Which debt payoff strategy actually works? We compare total interest saved against the "win" frequency of small balances.
The Opportunity Cost of an Emergency Fund
Cash is safe, but it loses value to inflation. How to mathematically optimize the size of your cash reserves without sacrificing long-term growth.
Leasing vs. Buying a Car in 2026
With changing interest rates and EV tax credits, the old rules of leasing have shifted. We model the total cost of ownership over a 6-year horizon.
The Math Behind Maxing Out a 401(k) Early
Front-loading your retirement accounts in your 20s and 30s can buy you a decade of freedom later. Here is the exact compound interest breakdown.
Larger Apartment vs. Co-Working Space
Should you pay an extra $500/month for a second bedroom, or $350/month for a dedicated desk? Factoring in productivity, utilities, and commute time.
The True Cost of Pet Ownership
Beyond food and vet bills: calculating the financial impact of pet deposits, travel boarding, and insurance over a 15-year lifespan.
DIY vs. Hiring a Pro: Valuing Your Time
A framework for deciding when to outsource tasks based on your personal hourly rate, material costs, and the risk of mistakes.
Graduate School ROI: Is the Debt Worth It?
Modeling the lost income of leaving the workforce against the projected salary bump of an advanced degree to find your breakeven year.
The "Latte Factor" Debunked
Why cutting out $5 coffees won't make you rich, and how optimizing your "Big Three" fixed costs (Housing, Transportation, Food) yields mathematically superior results.
House Hacking 101: Reducing Your Biggest Expense
An introduction to owner-occupied multi-family properties. How renting out the other half of your duplex changes your personal balance sheet.
Term vs. Whole Life Insurance
A mathematical breakdown of insurance policies. Why the strategy of "buy term and invest the difference" usually wins out over time.
Geographic Arbitrage: Moving to Save
Taking a remote salary to a lower cost-of-living area. We calculate the impact of state income taxes and housing costs on your savings rate.
Why Flexibility is a Financial Asset
The hidden cost of being locked in. How maintaining optionality in your housing and career choices protects you against downside risk.