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Case Study · Foreign Service Financial Planning

Inside a Foreign Service Financial Plan: The Bennett Family

One Foreign Service household, six big questions, and every part of the plan we build together. From the bid list and the TSP to buying a home from overseas.

By Warren Covert, Founder of FSO Wealth10 min read

Alex and Morgan Bennett are hypothetical. Their names and financial details are fictional, but the goals, questions, and planning opportunities discussed throughout this case study are based on common situations faced by Foreign Service families.

Inside this case study
  1. 01Salary Breakdown
  2. 02Current Situation
  3. 03Their Primary Goals & Questions
  4. 04Financial Plan Overview
  5. 05Net Worth Snapshot
  6. 06Current Year Cash Flow
  7. 07Tax Review & Analysis
  8. 08Looking Ahead: Opportunities and Trade-Offs
  9. 09How the Bid List Changes the Plan
  10. 10Retirement Projections Monte Carlo Simulation: Retiring at 54 or 60
  11. 11The TSP Tax Bomb
  12. 12Stay or Leave: The Private Sector Question
  13. 13The Foreign Service Real Estate Question
  14. 14From the L Fund to a Strategy Built Around Their Goals
  15. 15Will Their Retirement Plan Survive a Bear Market?
  16. 16College Planning for Avery
  17. 17Health Plan Decisioning
  18. 18Cleaning Up the Old Accounts
  19. 19Ensuring No Double-Taxation on Backdoor Roth Conversions
  20. 20Life Insurance & Survivor Protection
  21. 21Estate Planning
  22. 22Making Progress

Meet Alex, Morgan, and Avery

The Bennett family, Alex, Morgan, and their daughter Avery

They are mid-way through their third tour and will bid on their next assignment this cycle.

A
AlexAge 41
Role
Foreign Service Officer, FS-03, step 10
Service
8 years, joined at 34; reaches 20 years at 54
Pay today
Base salary plus 35% post differential and 15% COLA
Retirement system
FSPS
Retirement savings
TSP, invested in an L Fund
M
MorganAge 40
Role
Eligible Family Member
Service
Intermittent EFM and local positions across three posts
Pay today
Consular EFM position 6 step 10
Retirement system
FERS
Retirement savings
Traditional IRA, Roth IRA, Traditional TSP, one old 401(k)
A
Avery4 years old
01

Salary Breakdown

AlexMorgan
Base$132,764$77,929
Hardship$26,553–
COLA$20,090–
Total$179,407$77,929

This is what their combined income, prorated for the year, looks like:

Chart of the Bennetts' combined current-year income mix, prorated for the year
02

Current Situation

$120,000Sitting in cash with no clear plan
$118,000Federal student loans on track for PSLF
96Qualifying PSLF payments completed
6Accounts holding their retirement savings
  • Eight years and three posts into the Foreign Service, the Bennetts’ finances are still structured for a life back in the United States.
  • Accumulated $120,000 in cash but have no clear plan for how to deploy it.
  • Carrying $118,000 in federal student loans on track for Public Service Loan Forgiveness, with 96 qualifying payments already completed.
  • Retirement savings are spread across six accounts.
  • Considering a real estate purchase but unsure how much home they can afford.
  • TSPs are currently both maxed out, but they’re unsure what that actually means for their retirement goals.
03

Their Primary Goals & Questions

  1. “We make a lot of money at our current post, but this probably won’t last forever, how can we make the most of it?”
  2. “I always assumed I’d work until 60, but would I be able to retire earlier?”
  3. “What if Alex leaves the Foreign Service before reaching 20 years?”
  4. “What should we do with the $120,000 currently sitting in cash?”
  5. “Should we buy a home during Home Leave, wait until a later tour, purchase during language training, or hold off until retirement?”
  6. “What happens if there’s another COVID-type event or major recession? Will our retirement plans still be on track?”
04

Financial Plan Overview

During our virtual onboarding meetings, I learn more about Alex and Morgan’s financial situation and forecast their current-year cash flow. We’re currently at different posts, but we can meet face-to-face and share screens whenever it is helpful.

05

Net Worth Snapshot

The Bennetts' net worth statement summarizing assets and liabilities
PDFReview a sample Net Worth Statement based on Alex and Morgan
06

Current Year Cash Flow

Sankey diagram of the Bennetts' 2026 cash flow from income sources to taxes, savings, and spending

Together, we review key metrics such as retirement readiness, emergency savings, debt levels, and savings rate.

Financial health metrics including retirement readiness, emergency savings, debt levels, and savings rate

We use these to identify priorities, determine whether their emergency fund is appropriately sized, and help them put excess cash to work in support of their goals.

07

Tax Review & Analysis

Last year’s tax return can tell us a lot about what to expect this year. By reviewing key tax figures, including deduction limits, safe harbor payment thresholds, and supporting schedules, we can see how everything fits together and uncover planning opportunities along the way.

Key figures from the Bennetts' prior-year tax returnAdjusted gross income summary from the prior-year returnMarginal and effective tax rate analysisFederal and state tax shortfall owed at filing

The Bennetts owed both federal and state income tax after filing their return last year. We’ll review where that liability came from and whether any planning opportunities exist going forward.

Breakdown of where the Bennetts' tax liability came from

I compare last year’s taxes to this year’s projected tax bill to see what changes and whether the Bennetts appear on track to avoid an underpayment penalty. We also address their Traditional and Roth TSP savings and discuss how each fits into their broader tax and retirement strategy.

Projected federal and state tax bill for the current year
Current-year federal income tax bracket analysis

The Bennetts are close to moving into the 22% federal income tax bracket, but their Traditional TSP contributions keep them within the 12% bracket.

08

Looking Ahead: Opportunities and Trade-Offs

The five-year projection shows how quickly financial opportunities can come and go in the Foreign Service. They are often highly situational, created by a particular post, allowance, EFM employment opportunity, or transition, and may only last for a year or two.

Next year, their household income is expected to rise significantly, creating new opportunities to save, invest, and make progress toward their goals.

Five-year cash flow projection for the Bennett household

At the same time, the increase will place them in a higher federal income tax bracket. We review how to make the most of this temporary opportunity, including tax-planning strategies that may become less valuable or unavailable as their income continues to grow.

Projected 2027 tax picture showing the move into the 22% bracket

Next year, Alex and Morgan are projected to move into the 22% federal income tax bracket.

The projection also shows the other side of that variability. In 2028, when they PCS, incur home leave expenses, and Morgan is between jobs, we project a cash-flow deficit of $6,342.

Projected 2028 cash-flow deficit during a PCS and home leave year

Without further changes to their income or expenses, that deficit continues to grow in the years that follow.

09

How the Bid List Changes the Plan

As Alex and Morgan narrow down their bid list, we model the financial impact of the assignments they are considering. The highest-paying post is not automatically the best choice, but understanding the trade-offs helps them make decisions.

Modeled household pay for a Washington, DC assignment
Modeled household pay for a Bangkok assignment
10

Retirement Projections Monte Carlo Simulation: Retiring at 54 or 60

Alex reaches 20 years of service at 54. We model retirement at 54 and 60, then we run a Monte Carlo simulation (1,000 market scenarios) to get a sense of the probability that they reach their early retirement goal.

We compare scenarios and walk through what needs to be true to retire at 54. I educate Alex and Morgan about the TSP Rule of 55 and then we start planning for their retirement income bridge.

Monte Carlo retirement projections comparing retirement at 54 and at 60
11

The TSP Tax Bomb

The way the Alex and Morgan’s retirement savings are structured has unintentionally created a Tax Bomb inside their TSP. Our goal is to defuse it before it goes off and reduce the taxes they pay throughout retirement.

Projected TSP withdrawals and Required Minimum Distributions over retirement

The projection shows how large future TSP withdrawals and Required Minimum Distributions can create significant taxable income later in life. By planning ahead, we can look for opportunities to reduce the impact before those distributions become mandatory.

12

Stay or Leave: The Private Sector Question

“What if a recruiter calls?” We discuss opportunities Alex has seen on LinkedIn and compare the numbers. I analyze three paths: leave now, leave after PSLF forgiveness, or stay in the Foreign Service.

Comparison of three paths: leave now, leave after PSLF forgiveness, or stay in the Foreign Service

Leaving early means a deferred annuity at 62, with no supplement or health insurance. Leaving before forgiveness would also give up eight years of progress toward PSLF on $118,000 in loans.

13

The Foreign Service Real Estate Question

One of the biggest questions Alex and Morgan have is whether they should buy real estate during their next home leave and how much house they can afford. I analyze potential purchases at different price points and in different states to help them evaluate the trade-offs.

Home purchase assumptions for buying in VirginiaAssumptions for renting the home out while overseas
Buy or do not buy matrix by monthly rent and annual home value growth

The analysis shows that the conditions are there for Alex and Morgan to buy a property, and that renting it out while overseas is projected to generate a cash-flow surplus after the first few years.

14

From the L Fund to a Strategy Built Around Their Goals

With a clearer picture of what matters most to Alex and Morgan, I design an investment strategy around those priorities. Balancing the potential for long-term growth with the investment risk they’re comfortable taking.

Top holdings and asset class allocation of the proposed portfolio

*Holdings and figures shown are illustrative only. They are not investment advice or a recommendation from FSO Wealth to buy or sell any security.

15

Will Their Retirement Plan Survive a Bear Market?

“What happens if there’s another COVID-type event or major recession? Will our retirement plans still be on track?”

To help answer that question, we stress test Alex and Morgan’s portfolio against historical events like the 2008 Financial Crisis and the COVID-19 market downturn.

Portfolio stress test against the 2008 Financial Crisis and the COVID-19 downturn

This helps them understand how their investments might behave during difficult markets and whether their long-term goals remain achievable.

16

College Planning for Avery

Alex and Morgan want to save for Avery’s future college expenses. I help them open a 529 plan, determine an appropriate contribution amount, take advantage of the tax benefits available, and select investments that fit the goal.

17

Health Plan Decisioning

Alex and Morgan are concerned about rising health care premiums, and they barely use their Foreign Service Benefits Plan (the massage benefit is lost on Morgan, too). We compare FSBP with an FEHB high-deductible plan and HSA, then model the costs to help them determine which option is the better fit.

Net cost comparison of FSBP versus an FEHB high-deductible plan with an HSA
18

Cleaning Up the Old Accounts

Morgan currently has four retirement accounts, including two that haven’t been reviewed in years.

Account consolidation review of Morgan's four retirement accounts

We evaluate the investments and fees in each account, and in this case, reducing four accounts to two helps simplify their finances.

19

Ensuring No Double-Taxation on Backdoor Roth Conversions

Morgan’s Traditional IRA held both pre-tax and after-tax money. We track down the basis, move the pre-tax funds into the TSP, convert the after-tax balance to Roth, and help complete Form 8606 to ensure no double taxation.

Excerpt of IRS Form 8606 showing nondeductible IRA basis

As long as pre-tax money is kept out of the IRA, the pro-rata rule won’t apply to future backdoor Roth contributions.

20

Life Insurance & Survivor Protection

We review Alex’s current FEGLI coverage and find that it may not provide enough protection for a family with retirement and college goals still ahead. We discuss the coverage gap and compare several options.

Life insurance coverage gap analysis comparing FEGLI with other options

Important: FSO Wealth never sells insurance or receives commissions or other compensation for recommending any policy.

21

Estate Planning

It’s important for my clients to have proper estate plans in place to protect privacy and reduce the burden on loved ones. Through a Comprehensive Wealth Transfer Analysis, we identify gaps in their plan and talk through worst-case scenarios, helping address the financial anxiety many EFMs carry and ensuring the family has a plan in place for the unexpected.

PDFReview a sample Comprehensive Wealth Transfer Analysis based on Alex and Morgan.
22

Making Progress

We’ll prioritize goals, track for progress, and adjust when necessary.

Goal tracker showing progress toward financial freedom, a home purchase, and Avery's education

Disclosure: This case study is educational in nature and does not constitute personalized tax, legal, or investment advice. Alex and Morgan Bennett are hypothetical, and all investments, strategies, figures, projections, and returns discussed are illustrative for this case study only. They do not represent actual client results, and past performance is not indicative of future results. Individual circumstances vary.

What Happens Next?

Every household arrives with a different set of questions, goals, and concerns. The first step is a conversation where we’ll discuss your situation, identify the planning opportunities that may be available, and determine whether FSO Wealth is the right fit for your needs.

If it makes sense to move forward, you can book time to chat or fill out the contact form below.

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