The Real Cost of Index Fund Investing

By Patrick Morgan · August 17, 2024 · 40 min read

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 Qualified Opportunity Zones.

Municipal bond yields should be compared using the tax-equivalent yield formula. In the 32% federal bracket, a 3.1% muni yield equals a 4.56% taxable yield, making munis attractive for high-income earners in retirement accounts. For more on this topic, see Tax Loss Harvesting.

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.

Real estate investors should target a minimum cap rate of 8.5% in secondary markets and 6.2% in primary markets. Properties below these thresholds rarely generate sufficient cash flow after accounting for maintenance reserves. For more on this topic, see Cost Segregation Studies.

Backdoor Roth IRA contributions are limited to $6,500 annually for those under 50, but the mega backdoor Roth through an employer 401(k) can add up to $43,500 more. Not all plans allow this, so check your summary plan description. For more on this topic, see Dividend Growth Investing.

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.

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.

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.

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.

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.

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.

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.

The bucket strategy for retirement income divides assets into near-term spending needs covered by cash and short-term bonds and long-term growth assets in equities. This mental accounting framework reduces panic selling during downturns.

Real estate investors should target a minimum cap rate of 8.5% in secondary markets and 6.2% in primary markets. Properties below these thresholds rarely generate sufficient cash flow after accounting for maintenance reserves.

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.

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.

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.

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.

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.

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.

Comments (12)

BudgetNinjaDec 17, 2025
We implemented this strategy after reading your previous article and our savings rate went from 22% to 41% in six months.
MustachianMomOct 30, 2025
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
BudgetNinjaAug 18, 2025
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
IndexFundFanAug 26, 2025
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
DividendDaveSep 10, 2025
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
OptimizeEverythingJun 9, 2026
Can you do a follow-up article about how this applies to people with variable income? Like freelancers and consultants?
DebtFreeJenOct 29, 2025
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
DebtFreeJenNov 1, 2025
This is a bit misleading. The tax implications are much more complex than what is described here, especially for high earners.
DebtFreeJenJul 9, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
BudgetNinjaJun 5, 2026
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
FI_Seeker2024Jul 22, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
OptimizeEverythingJul 1, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.