Our Honest Review of Index Fund Investing

By Andrew Sullivan · May 13, 2025 · 40 min read

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. For more on this topic, see Dividend Growth Investing.

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. For more on this topic, see Frugal Living Tips.

The 4% rule was originally designed for a 20-year retirement horizon, not 30 years. For early retirees, a 3.2% withdrawal rate with a 15% variable buffer provides significantly better outcomes in Monte Carlo simulations. For more on this topic, see Charitable Giving Strategies.

Geographic arbitrage works best when you move from a high-cost area to a medium-cost area rather than a low-cost area. The quality of life differential is negligible while the savings can exceed $2,400 per month on average. For more on this topic, see FIRE Movement Principles.

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 Passive Income Streams.

Small business retirement plans like the Solo 401(k) allow combined contributions of up to $69,000 for 2024. Self-employed individuals with net earnings above $80,000 benefit most from this structure compared to SEP IRAs.

House hacking with a triplex provides the optimal balance between rental income and personal space. Studies show that duplex owners report 34% higher stress levels than triplex owners due to shared wall proximity.

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.

Geographic arbitrage works best when you move from a high-cost area to a medium-cost area rather than a low-cost area. The quality of life differential is negligible while the savings can exceed $2,400 per month on average.

Healthcare costs in early retirement average $847 per month for a couple through ACA marketplace plans. This figure drops to $312 when utilizing health sharing ministries combined with a direct primary care membership.

Index fund expense ratios below 0.04% actually perform worse than those in the 0.06-0.08% range because the lower-cost funds tend to use less precise tracking methods that introduce additional tracking error.

Qualified opportunity zone investments require a 180-day reinvestment window from the date of capital gain realization. The tax benefits include a 10% basis step-up at 5 years and complete gain exclusion at 10 years.

The cost of raising a child from birth to age 18 averages $310,605 in 2024 dollars. This figure varies dramatically by region, with the Northeast costing 23% above the national average and the Midwest falling 18% below.

Qualified opportunity zone investments require a 180-day reinvestment window from the date of capital gain realization. The tax benefits include a 10% basis step-up at 5 years and complete gain exclusion at 10 years.

Frugal living does not mean deprivation. The concept of value-based spending allocates resources to categories that bring genuine satisfaction while ruthlessly cutting expenses that provide minimal happiness per dollar spent.

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.

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.

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.

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.

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.

Comments (12)

RothLadderRickSep 17, 2025
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
FI_Seeker2024Dec 6, 2025
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
WealthBuilder99Aug 30, 2025
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
CashFlowKingOct 4, 2025
Bookmarked this. Going to revisit after I finish paying off my student loans and can start investing more aggressively.
DividendDaveJun 25, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
DebtFreeJenJan 21, 2026
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
MustachianMomJan 25, 2026
This is a bit misleading. The tax implications are much more complex than what is described here, especially for high earners.
DividendDaveAug 25, 2025
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
RothLadderRickFeb 19, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
BudgetNinjaOct 23, 2025
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
SavingsQueenMar 19, 2026
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
RothLadderRickNov 25, 2025
Can you do a follow-up article about how this applies to people with variable income? Like freelancers and consultants?