Retirement Strategies Explained
20 in-depth guides covering every major retirement-planning framework: the math, the origins, where each one breaks, and how to combine them into a real plan.
Safe Withdrawal Math
The research foundations: 4% rule, Trinity Study, CAPE adjustments, sequence risk.
SAFE WITHDRAWAL RATE
The 4% Rule
William Bengen's 1994 research found that a 4.15% initial withdrawal rate, adjusted annually for inflation, never ran out of money in any 30-year US retirement ...
RETIREMENT RESEARCH
The Trinity Study
The 1998 'Trinity Study' by three Trinity University professors validated the 4% rule across multiple portfolio allocations. It's the most-cited paper in retire...
FIRE MATH
The 25× Rule
If your annual spending is $50,000, you need $1.25 million invested to retire. That's the 25× rule — the simplest way to estimate your FIRE number. It's also th...
SWR RESEARCH
Safe Withdrawal Rate by Age
A 65-year-old can safely withdraw ~4% per year. A 45-year-old should probably use 3.25-3.5%. The difference is your time horizon — and it changes the math more ...
RETIREMENT RISK
Sequence of Returns Risk
Two retirees can have identical average returns and radically different outcomes. The difference: when the bad years hit. Early losses in retirement are catastr...
WADE PFAU
CAPE-Based Withdrawal
High stock-market valuations predict lower forward returns — and lower safe withdrawal rates. CAPE-based withdrawal adjusts your SWR based on the Shiller CAPE r...
ADAPTIVE WITHDRAWAL
Dynamic Withdrawal Strategies
Fixed-percentage withdrawal rules leave money on the table in good years and risk portfolio depletion in bad ones. Dynamic strategies adjust spending based on m...
Variable & Dynamic Strategies
Rules-based approaches that adjust spending with market conditions.
DYNAMIC WITHDRAWAL
Guyton-Klinger Guardrails
Jonathan Guyton's guardrails approach takes the 4% rule and adds two simple rules: cut spending 10% when portfolio struggles, increase 10% when it thrives. Hist...
VPW
Variable Percentage Withdrawal (VPW)
Variable Percentage Withdrawal uses an age-based percentage table to size your annual retirement withdrawal. Because you always withdraw a percentage of current...
BUCKET INVESTING
The Bucket Strategy
The bucket strategy divides your retirement savings into short-, medium-, and long-term accounts. Each 'bucket' serves a different time horizon — cash for 0-2 y...
FIRE Variants
Lean, Fat, Coast, Barista — different spending tiers and life designs.
COAST FIRE
Coast FIRE
Coast FIRE is the point where your current investments will grow — without any new contributions — to support traditional retirement. You still work to cover li...
BARISTA FIRE
Barista FIRE
Barista FIRE means accumulating enough to quit your stressful career and take low-stress part-time work — often for healthcare benefits or minimal income. Your ...
FIRE VARIANTS
Lean FIRE vs Fat FIRE
Lean FIRE retires on $30-40K/year (typically $750K-$1M). Fat FIRE retires on $100K+/year (typically $2.5M+). Same math, radically different lifestyles. Which on...
FI MATH
The Financial Independence Formula
Financial Independence is a single equation: expenses × 25 (or 33, for longer horizons). Every other complication (taxes, healthcare, inflation, geo-arbitrage) ...
FIRE ORIGINS
The History of the FIRE Movement
The FIRE movement didn't start with Mr. Money Mustache. It started with a 1992 book called 'Your Money or Your Life' and a 1994 financial-advisor paper nobody r...
US Tax Moves for Early Retirees
Rule of 55, 72(t) SEPP, Roth conversion ladder, Mega Backdoor Roth — the US-specific bridge strategies.
US TAX MOVE
The Rule of 55
If you leave your employer in or after the year you turn 55 (50 for public safety workers), you can withdraw from that specific 401(k) without the 10% early-wit...
US TAX MOVE
Rule 72(t) / SEPP
IRS Rule 72(t), also called Substantially Equal Periodic Payments (SEPP), lets you withdraw from an IRA at any age without the 10% penalty — as long as you comm...
ROTH STRATEGY
The Roth Conversion Ladder
The Roth conversion ladder converts traditional 401(k)/IRA funds into Roth IRA contributions five years before you need them. After the 5-year waiting period, y...
US TAX MOVE
Mega Backdoor Roth
The Mega Backdoor Roth lets high earners contribute up to ~$46,500 per year (2024) to a Roth 401(k) or Roth IRA — far beyond the standard $7,000 annual IRA limi...
Meta Guides
Bringing the pieces together across accumulation, transition, and distribution.
Put the Math to Work
Our FIRE calculator and safe withdrawal rate tool let you model any of these strategies with your own portfolio and spending. All free, no signup.