Business Case Guy

Theory Is Good, Numbers Are Better.

Browse Calculators

Pick your Personal Finance Calculator

🏡 Living Situation

Decide to Move to a New Home or Stay

See the 10-year cost of moving vs. staying put (or renovating).

Can I Afford to Buy a Home (Detailed Budget)

Build a full budget to see if a home purchase keeps you cash-flow positive.

Can I Afford to Buy a Home (Simple Budget)

A faster gut-check version of the detailed budget calculator.

🚗 Vehicle & Transportation

Buy a Car or Use Transit/Ride Share

Compare owning a car against transit and ride-share costs.

Gas vs Hybrid vs Electric

7-year cost comparison across gas, hybrid, and EV ownership.

Auto Loan Comparison

Compare dealer, bank, credit line, and cash purchase options.

📈 Investments

Real Estate Investment ROI

Cap rate, cash-on-cash, and ROI for a rental property.

Real Estate vs Stock Market

See which one wins over a 10-year holding period.

House Flipping ROI

Budget your flip and estimate profit, cash flow, and ROI.

Cash-on-Cash Return

A 3-minute cash flow check on a rental property.

💼 Work

Work From Home Savings

See what going remote or hybrid actually saves you.

Return to Office Expenses

See what going back on-site actually costs you.

Why use personal finance calculators?

Making financial decisions can be stressful and anxiety-inducing, leading to impulsive choices that may have negative long-term consequences. This problem is exacerbated by a lack of quality tools that show you the impact of different options, as well as a lack of financial education.

My objective is to assist you in making informed decisions by presenting the financial impacts of each available option. Every decision you make should put you in the best position to build wealth, rather than incur bad debt and expenses. To accomplish this goal, I offer business cases, which are tools that allow you to calculate the financial costs and benefits of your options.