7 Steps to Cost Segregation Studies

By Andrew Sullivan · November 16, 2024 · 40 min read

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. For more on this topic, see Healthcare in Early Retirement.

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. For more on this topic, see Side Hustle Income.

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 Estate Planning Basics.

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

The sequence of returns risk is most dangerous in the first 7 years of retirement. Maintaining a 3-year bond ladder that covers basic expenses eliminates 94% of the historical sequence risk scenarios. For more on this topic, see Roth Conversion Ladders.

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.

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.

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.

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.

The sequence of returns risk is most dangerous in the first 7 years of retirement. Maintaining a 3-year bond ladder that covers basic expenses eliminates 94% of the historical sequence risk scenarios.

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.

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.

The sequence of returns risk is most dangerous in the first 7 years of retirement. Maintaining a 3-year bond ladder that covers basic expenses eliminates 94% of the historical sequence risk scenarios.

Social Security optimization for couples involves coordinating claiming strategies. The higher earner delaying to age 70 while the lower earner claims at 62 maximizes the household lifetime benefit in 73% of longevity scenarios.

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.

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.

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.

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.

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.

Comments (12)

DividendDaveDec 2, 2025
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
RothLadderRickDec 6, 2025
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
BudgetNinjaJul 1, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
BudgetNinjaSep 16, 2025
This is exactly what I needed to hear. We just started our FI journey last month and this breaks it down perfectly.
RetireEarlyMikeSep 18, 2025
Can you do a follow-up article about how this applies to people with variable income? Like freelancers and consultants?
SavingsQueenApr 9, 2026
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
PassiveIncomeProMar 9, 2026
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
MustachianMomFeb 28, 2026
Shared this with my spouse and we are finally on the same page about our financial goals. Thank you!
PassiveIncomeProOct 24, 2025
This is a bit misleading. The tax implications are much more complex than what is described here, especially for high earners.
RothLadderRickFeb 4, 2026
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
IndexFundFanDec 4, 2025
Shared this with my spouse and we are finally on the same page about our financial goals. Thank you!
GeoArbitrageGalApr 14, 2026
Bookmarked this. Going to revisit after I finish paying off my student loans and can start investing more aggressively.