Federal income tax
A progressive system where different portions of taxable income can fall into different brackets.
United States edition
U.S. money,
U.S. money,
clearly explained.
Understand the accounts, taxes, investing choices, and financial-independence decisions Americans actually face, without assuming you already speak finance.
Core accounts
Different wrappers for different jobs
The investment can be similar inside each account. What changes is who offers it, when taxes apply, and what the money is meant to do.
Workplace retirement
401(k)
Start here when your employer contributes or matches part of what you save.
Understand the 401(k) → Individual retirementTraditional IRA
A personal retirement account that may provide a tax deduction now.
Explore Traditional IRAs → Tax-free retirementRoth IRA
Contribute after-tax dollars today for tax-free qualified withdrawals later.
Explore Roth IRAs → Health and long termHSA
Save for qualified health costs and, when eligible, invest for the future.
Understand HSAs → Flexible investingTaxable brokerage
Invest without retirement contribution limits or age-based access rules, while managing annual taxes.
Explore taxable accounts →
Tax basics
Your paycheck has more than one layer
U.S. taxes are not one single rate. Federal income tax, state rules, and payroll taxes can each affect what reaches your bank account.
Estimate 2026 federal + state taxEducational overview only. Tax rules and personal outcomes vary, so confirm decisions with current IRS and state guidance.
State and local tax
Your location matters. Some states have no individual income tax, while others use flat or progressive rates.
Payroll tax
Social Security and Medicare taxes are separate from ordinary federal income tax withholding.
A sensible order
01
02
03
04
Build the foundation before optimizing everything
Financial progress is usually a sequence, not a perfect spreadsheet completed all at once.
Stabilize the basics
Know your cash flow, build an emergency reserve, and make a plan for high-cost debt.
Capture available benefits
Understand your workplace plan, especially any employer match and the investment choices inside it.
Use tax space thoughtfully
Choose among a 401(k), IRA, Roth IRA, and HSA based on eligibility, taxes, access, and the goal.
Invest with a purpose
Match the account, asset mix, costs, and time horizon to the job the money is meant to do.
Financial independence
FIRE is about options, not one retirement age
Financial Independence, Retire Early focuses on widening the gap between income and spending, investing that gap consistently, and building enough flexibility to choose how you spend your time.
Build your FIRE planKnow your annual spending
Your spending level shapes how much invested wealth may be needed to support it.
Raise the savings rate sustainably
A durable plan leaves room for the life you are living now, not only the future version.
Plan across account types
Retirement accounts and flexible taxable investments can play different roles before and after traditional retirement age.
Keep going
Turn the concepts into clear next steps
Start with the question in front of you. Each guide keeps the assumptions visible and the language plain.
01
Choose an account
Compare workplace, individual, Roth, health, and taxable accounts by the job each one does.
Open the account guide → 02Estimate federal + state tax
See how filing status, location, deductions, and pre-tax contributions shape a 2026 estimate.
Open the tax calculator → 03Map financial independence
Estimate a FIRE number, project progress, and plan for the years before traditional retirement.
Open the FIRE guide → 04Review the referral
Read the risk and eligibility context before deciding whether Polymarket belongs in your plans.
View U.S. rewards →