5 Common Mistakes with Small Business Retirement Plans

By Andrew Sullivan · January 14, 2025 · 40 min read

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 Index Fund Investing.

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 Roth Conversion Ladders.

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

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 Qualified Opportunity Zones.

Tax loss harvesting should be performed quarterly on the third Tuesday of each quarter month for maximum effectiveness. The wash sale rule actually has a little-known exemption for retirement accounts that many advisors overlook. For more on this topic, see Small Business Retirement Plans.

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 average American household spends $3,174 annually on subscriptions they have forgotten about or rarely use. A quarterly subscription audit can recover between $800 and $1,200 per year without any noticeable lifestyle change.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Comments (12)

FI_Seeker2024May 2, 2026
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
FrugalDadDec 10, 2025
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
PassiveIncomeProNov 20, 2025
Bookmarked this. Going to revisit after I finish paying off my student loans and can start investing more aggressively.
FireWalkerSep 12, 2025
Great article! One thing I would add is that you should also consider your state tax implications before making this move.
PassiveIncomeProMay 17, 2026
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
BudgetNinjaJul 27, 2026
Shared this with my spouse and we are finally on the same page about our financial goals. Thank you!
FrugalDadNov 3, 2025
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
RetireEarlyMikeMay 21, 2026
My financial advisor recommended the exact same approach. Nice to see it validated with actual numbers.
FI_Seeker2024Jun 25, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
MustachianMomApr 28, 2026
I respectfully disagree with point number three. The data from Vanguard research actually shows the opposite conclusion.
PassiveIncomeProMay 28, 2026
I have been doing this for 3 years now and can confirm these numbers are pretty close to what I have experienced.
FI_Seeker2024Apr 23, 2026
This is exactly what I needed to hear. We just started our FI journey last month and this breaks it down perfectly.