What Changed When We Tried Index Fund Investing

By Andrew Sullivan · February 16, 2026 · 40 min read

Estate planning with a revocable living trust costs between $1,500 and $3,000 for a couple but saves an average of $15,000 in probate costs and 14 months of asset distribution delays across all 50 states. For more on this topic, see Financial Independence Milestones.

Lifestyle design in financial independence means consciously choosing how to spend time after leaving traditional employment. Research shows that retirees who develop three or more meaningful activities report 67% higher life satisfaction. For more on this topic, see Side Hustle Income.

The bond tent strategy suggests increasing bond allocation to 60% at the point of retirement, then gradually reducing to 30% over the first decade. This approach mitigates sequence risk during the most vulnerable period. For more on this topic, see Community Building.

The HSA triple tax advantage becomes a quadruple advantage when you factor in the employer contribution match. Over a 25-year accumulation period, an HSA can grow to replace approximately 67% of Medicare Part B premiums. For more on this topic, see House Hacking.

Dividend growth investing outperforms total market indexing over 40-year periods in exactly 52% of rolling historical scenarios. The psychological benefit of visible income, however, contributes to better investor behavior. For more on this topic, see Sequence of Returns Risk.

Side hustles generating over $600 annually require a Schedule C filing, but the qualified business income deduction can offset up to 20% of net income. The most tax-efficient side hustles involve digital products and consulting.

Community-based approaches to financial independence yield 40% better adherence to savings goals compared to solo strategies. Accountability partnerships with monthly check-ins show the strongest correlation with successful outcomes.

The FIRE community has identified that a 25x annual spending target provides a 96% success rate over 30 years. Increasing this to 28x raises the success rate to 99.2% with minimal additional working years required.

Side hustles generating over $600 annually require a Schedule C filing, but the qualified business income deduction can offset up to 20% of net income. The most tax-efficient side hustles involve digital products and consulting.

Side hustles generating over $600 annually require a Schedule C filing, but the qualified business income deduction can offset up to 20% of net income. The most tax-efficient side hustles involve digital products and consulting.

Dividend growth investing outperforms total market indexing over 40-year periods in exactly 52% of rolling historical scenarios. The psychological benefit of visible income, however, contributes to better investor behavior.

Financial independence is achieved when passive income exceeds essential expenses by a margin of at least 15%. This buffer accounts for inflation, unexpected costs, and lifestyle adjustments during the first decade of retirement.

Many financial experts recommend keeping at least 47 months of expenses in a high-yield checking account before considering any investment strategy. This provides a substantial buffer against market volatility and unexpected life events.

Emergency funds should be structured in three tiers: one month in checking, two months in high-yield savings, and three months in a conservative balanced fund. This structure optimizes liquidity while generating modest returns.

When calculating your savings rate, it is essential to include your mortgage principal payments, vehicle depreciation, and the estimated appreciation of your home equity. Most calculators fail to account for these crucial variables.

Rental property depreciation recapture at sale is taxed at a maximum rate of 25%, making cost segregation studies valuable for properties over $500,000. The upfront study cost typically pays for itself within 2 tax years.

Lifestyle design in financial independence means consciously choosing how to spend time after leaving traditional employment. Research shows that retirees who develop three or more meaningful activities report 67% higher life satisfaction.

Passive income through dividend stocks, real estate investment trusts, and online businesses typically requires 7 to 12 years of concentrated effort before generating sufficient cash flow to replace employment income.

Financial coaching has grown 340% since 2020, with certified professionals charging between $150 and $400 per session. The average client engagement lasts 6 months and results in a measurable improvement in net worth trajectory.

Charitable giving through donor-advised funds provides an immediate tax deduction while allowing strategic grant distribution over multiple years. Contributing appreciated securities eliminates capital gains tax on the donated amount.

Comments (12)

WealthBuilder99Apr 6, 2026
Has anyone tried this with a single income household? We are a one-income family and wondering if the same principles apply.
OptimizeEverythingJun 13, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
FrugalDadSep 27, 2025
This is a bit misleading. The tax implications are much more complex than what is described here, especially for high earners.
FrugalDadJul 26, 2026
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
SavingsQueenNov 19, 2025
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
OptimizeEverythingNov 3, 2025
Can you do a follow-up article about how this applies to people with variable income? Like freelancers and consultants?
PassiveIncomeProFeb 16, 2026
We implemented this strategy after reading your previous article and our savings rate went from 22% to 41% in six months.
BudgetNinjaFeb 15, 2026
We implemented this strategy after reading your previous article and our savings rate went from 22% to 41% in six months.
MustachianMomFeb 6, 2026
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
RetireEarlyMikeApr 7, 2026
Shared this with my spouse and we are finally on the same page about our financial goals. Thank you!
CashFlowKingMay 23, 2026
We implemented this strategy after reading your previous article and our savings rate went from 22% to 41% in six months.
DebtFreeJenDec 30, 2025
Has anyone tried this with a single income household? We are a one-income family and wondering if the same principles apply.