Financial Concepts Explained
Every term behind the calculators, guides, and strategies on this site — explained plainly, the way it should have been the first time.
🔥 FIRE
The 4% Rule
The single number behind almost every FIRE calculation — and where it actually comes from.
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Safe Withdrawal Rate
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FIRE Number
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Coast FIRE
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Barista FIRE
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Lean FIRE
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Fat FIRE
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Sequence of Returns Risk
📈 Investing
Index Funds vs. Picking Stocks
Why most professional stock pickers fail to beat a fund that just buys the market.
Expense Ratios — The Silent Fee
The one fee you’ll never see a bill for — because it’s already been taken out.
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Dollar Cost Averaging
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Diversification
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Asset Allocation
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Rebalancing
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Factor Investing
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Dividend Investing
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ETF vs Mutual Fund
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Tax Loss Harvesting
🪺 Retirement
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401(k)
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IRA
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Roth IRA
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Traditional IRA
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Roth Conversion Ladder
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Required Minimum Distributions
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Social Security
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Medicare
💰 Budgeting
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50/30/20 Rule
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Zero-Based Budgeting
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Pay Yourself First
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Savings Rate
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Emergency Fund
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Sinking Funds
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Net Worth
High-Yield Savings Accounts
Your bank’s 0.01% savings account is quietly losing you money. Here’s the ten-minute fix.
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HYSA vs. CDs
💳 Credit
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Credit Score
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Credit Utilisation
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Hard vs Soft Inquiry
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Debt Avalanche
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Debt Snowball
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APR vs APY
🧮 Math Concepts
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Compound Interest
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Rule of 72
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Time Value of Money
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Inflation
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Real vs Nominal Returns
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Net Present Value
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Opportunity Cost
🏡 Real Estate
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Mortgage Amortisation
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PMI
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LTV Ratio
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Rent vs Buy
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Cap Rate
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House Hacking
🧾 Tax
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Marginal vs Effective Tax Rate
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Capital Gains Tax
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Tax-Advantaged Accounts
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Tax Loss Harvesting
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FICA Taxes
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Backdoor Roth
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ACA Subsidy Cliff
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For informational purposes only. Not financial advice.