NorthCalc

Financial Planning Guides

Practical tax, budgeting, and investment articles for Americans and Canadians.

US Tax8 min read · 2026-05-12

Texas vs California: How Much Tax Do You Really Save in 2025?

We run the real numbers on income tax savings, property tax costs, and total tax burden at $80K, $150K, and $300K gross salaries.

US Tax7 min read · 2026-05-12

California Income Tax Guide 2025: What You Actually Take Home

California has the highest state income tax in the US at 13.3%. See real take-home pay examples and how CA compares to no-tax states.

US Tax7 min read · 2026-06-24

10 Easy Ways to Reduce Your Taxable Income in the US (2025)

Looking to lower your tax bill? Explore 10 legitimate and easy tax-saving strategies including 401(k), HSA, IRA, tax-loss harvesting, and deductions.

Canada Tax8 min read · 2026-05-12

RRSP vs TFSA: Which Is Better for You in 2025?

RRSP reduces your taxable income now. TFSA grows tax-free forever. Learn which account to prioritize based on your income and retirement plan.

Canada Tax6 min read · 2026-06-24

CPP and EI Deductions Explained: How They Affect Canadian Paychecks

Confused by the deductions on your paycheck? We explain CPP, the new CPP2 tier, and Employment Insurance (EI) rates and caps in Canada for 2025.

Budgeting6 min read · 2026-05-12

The 50/30/20 Budget Rule: Real Examples for 2025

The 50/30/20 rule splits your take-home pay into needs, wants, and savings. See real examples at different income levels and how to apply it.

Budgeting7 min read · 2026-06-24

How to Apply the 50/30/20 Budget Rule in High-Cost-of-Living Cities

Living in New York, San Francisco, Toronto, or Vancouver? Here is how to adjust the 50/30/20 budget framework when housing consumes half your paycheck.

Investing7 min read · 2026-05-12

How Compound Interest Works: $500/Month Over 30 Years

See exactly how $200, $500, and $1,000/month grow at 5%, 8%, and 10% over 10, 20, and 30 years — and why starting early matters so much.

Investing8 min read · 2026-06-24

401(k) vs Roth IRA: How to Optimize Your US Retirement Savings

Should you invest in a pre-tax 401(k) or a tax-free Roth IRA? Understand the differences, contribution limits, and how to combine both for maximum tax efficiency.

Investing6 min read · 2026-06-24

Index Funds vs Individual Stocks: Which is Better for Long-Term Wealth?

We compare passive index fund investing against picking individual stocks. Learn the risks, historical returns, and which strategy is best for average investors.

US Tax6 min read · 2026-07-14

Marginal vs Effective Tax Rate: Why Your Tax Bracket Isn't What You Actually Pay

Being "in the 24% bracket" does not mean you pay 24% of your income in tax. See the real math behind marginal brackets and your true effective tax rate.

Canada Tax6 min read · 2026-07-14

OAS Clawback Explained: How to Avoid Losing Your Old Age Security in 2025

Earn too much in retirement and Canada claws back your OAS pension. See the 2025 income thresholds, the 15% recovery tax formula, and ways to reduce it.

Investing7 min read · 2026-07-14

How Much Do You Need to Retire? The 25x Rule and 4% Withdrawal Rate Explained

The 4% rule turns your annual spending into a retirement number. Walk through the 25x math, real dollar examples, and why sequence-of-returns risk matters.