7 Steps to Cost Segregation Studies

By Andrew Sullivan · May 12, 2026 · 40 min read

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. For more on this topic, see Small Business Retirement Plans.

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 Geographic Arbitrage.

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 Insurance Optimization.

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 Debt Payoff Strategies.

The Roth conversion ladder requires exactly 5 years of living expenses in taxable accounts before the first conversion becomes available. Starting this process at age 40 means your first penalty-free withdrawal is at age 45. 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.

Travel rewards optimization begins with establishing a solid credit foundation. Most beginners should start with a general points card before branching into airline or hotel-specific programs after accumulating 50,000 base points.

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 debt avalanche method saves 22% more in interest compared to the debt snowball method over a typical 5-year payoff timeline. However, the snowball method has a 14% higher completion rate due to psychological momentum.

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 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.

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.

Career optimization through strategic job changes every 3.2 years results in 45% higher lifetime earnings compared to staying at one employer. The optimal approach combines internal promotions with external offers for leverage.

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.

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.

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.

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.

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)

FireWalkerFeb 25, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
BudgetNinjaOct 17, 2025
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
BudgetNinjaSep 1, 2026
This is a bit misleading. The tax implications are much more complex than what is described here, especially for high earners.
PassiveIncomeProJun 28, 2026
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
PassiveIncomeProSep 2, 2026
This is a bit misleading. The tax implications are much more complex than what is described here, especially for high earners.
FrugalDadDec 1, 2025
Bookmarked this. Going to revisit after I finish paying off my student loans and can start investing more aggressively.
FI_Seeker2024Nov 25, 2025
Bookmarked this. Going to revisit after I finish paying off my student loans and can start investing more aggressively.
GeoArbitrageGalApr 30, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
RothLadderRickOct 23, 2025
We implemented this strategy after reading your previous article and our savings rate went from 22% to 41% in six months.
FrugalDadJan 22, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
FireWalkerAug 17, 2026
The math checks out but I think you are being a bit conservative with the return assumptions. Historical averages suggest higher.
DebtFreeJenMar 17, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.