Marriage and Money: Part 1 – Managing Money as a Team

We’ve managed money with separate accounts, a joint account, and a mixture of both. The arrangement changed as our jobs, income and family life changed. What mattered was understanding what each account was for and agreeing on how we would use it.

In this first part of our Marriage and Money series, I’m sharing how those systems worked for us, including an example of splitting bills when you earn different amounts. For the bigger picture, start with our FIRE journey.

Phase 1: separate spending, shared bills

When my husband and I started living together in 2011, we were on different financial footings.

He was debt-free, had a decent 401(k) balance, and earned a consistent paycheck from his IT job. I had a car loan on a 2007 Honda Civic LX (I know), a private student loan from one semester at art school, a federal student loan from the state school where I earned my BA, and a revolving credit card balance.

I was also a contractor, so my income varied from a few hundred dollars in some months to $10,000 in others. Shortly after we moved in together, I took a full-time employee role, which made my earnings more consistent.

We opened three checking accounts at the same credit union: one joint account and one individual account each. We also opened a joint investment account at Fidelity.

• The joint checking account covered our agreed household bills.
• Our individual accounts covered personal spending, such as happy hours, gym memberships and clothes.
• The investment account held money we chose to invest for longer-term goals.

Splitting recurring bills 50/50 didn’t make sense to us because our earnings were different. Instead, we each contributed a share based on our percentage of the combined income.

How we split bills when our incomes were different

First, we worked out the shared monthly expenses. Here’s an illustrative budget from the original post; these are example figures, not a current cost-of-living estimate.

Then we divided each person’s income by the combined income. That gave us the share of the bills each person would cover.

This was one way to share costs, not a rule that every couple needs to follow. Unpaid caregiving, existing debt, variable earnings and the amount each person has left afterward can all matter to the conversation.

We automated our bills from the joint checking account. We also split our paychecks through our employers’ payroll systems so the agreed amount went to shared bills and the balance went to our individual accounts, after our 401(k) contributions. Money left in the joint account at the end of the month went to savings or our Fidelity investment account, where we invested in S&P 500 index funds.

It wasn’t always tidy. We took turns buying dinners and groceries, and after a while I got tired of asking for grocery money because I did most of the shopping. Once we had a few months of spending data, we added groceries to the shared budget and I used the joint debit card. We followed the same logic when other recurring expenses appeared.

Phase 2: one main account, with room for personal spending

We stayed with that first arrangement for a long time. In 2018, I left my full-time job and tried consulting. My income became variable, so we adapted: we deposited our income into the joint checking account and spent from that one account.

This took some getting used to. We’d always had private fun money for discretionary spending. Now we could see each other’s purchases. My husband was spending on something called “Steam,” and I had a serious Starbucks habit. C’est la vie!

I didn’t like earning significantly less than I was used to. And we definitely had a conversation about “allowances” and how we wouldn’t be using that word for the money I spent on myself.

Eventually, I went back to a 9-to-5 job. We kept the joint account as our main household account but brought back some individual spending money. Part of each paycheck went to our personal checking accounts; the rest, after 401(k) contributions, went to shared expenses, from housing and groceries to kids’ clothes and membership fees.

At the end of each month, we transferred extra money to savings or invested it. If the emotional side of these conversations sounds familiar, Part 2 covers the money stories and fears behind our decisions.

Phase 3: managing money across the US and Portugal

Moving abroad added more accounts, another currency and a few extra moving parts. This section describes the setup I wrote about in 2023, rather than a current guide to our accounts or a recommendation to use the same providers. If you’re building your own move budget, my free Moving-to-Portugal Checklist helps you keep the housing, healthcare and setup questions together.

We kept our joint checking account at our US credit union for US finances. At the time, our recurring US bills were our life-insurance payments.

We also kept two US credit cards with high available credit limits. We didn’t have a Portuguese credit card then. We occasionally used the US cards for purchases from US online stores for family back home, or for larger purchases where we wanted to earn miles.

Using a US card abroad isn’t automatically cheaper than transferring money. Check your card’s foreign-transaction terms, currency conversion, interest and the cost of the alternatives before assuming the rewards are a saving.

To help fund our early retirement, we sold investments in our Fidelity mutual funds and transferred money to our Portuguese bank using Wise. Check a current quote for your route and amount, including the fee and exchange rate, and compare the final amount received.

My husband’s salary from his job in Portugal went into our Portuguese bank account. We used our Portuguese debit card for local bills and purchases, and moved extra funds to a Portuguese savings account to build a cash buffer.

For more of the decisions behind the move, read why we sold our US home and rental property before moving abroad.

Questions to settle before choosing your account setup

• Which expenses count as shared, and which stay personal?
• How will contributions change if one person earns less, takes parental leave, or does more unpaid work?
• How much personal spending can each person make without a conversation?
• Who checks balances, pays bills and follows up on problems?
• What access does each account holder have, and what fees or minimum balances apply?

Before opening a joint account, read the account agreement together. The CFPB explains what a joint account holder may be able to withdraw or close; confirm the terms with your own bank.

Useful resources for managing money as a couple

• Consumer.gov’s budgeting guide and worksheet — A simple place to list income, expenses and the amount left for goals.
• The CFPB’s emergency-fund guide — Questions to help you plan a cash reserve for unexpected costs.
• Our FIRE journey — How these everyday decisions connected to our financial-independence goals.

This is our experience and general information, not individualized financial, investment or tax advice. Examples are illustrative. Resources reviewed in November 2026.