Blog · Shared expenses for couples, flatmates and friends

A flatshare living room with a router on a shelf and natural light coming through the window.

flat wifi electricity May 27, 2026

Wi-Fi and electricity in a flatshare: a fair split with no arguments

Wi-Fi and electricity are the acid test of any flatshare. Split it down the middle seems fair until one flatmate works from home, another lives at night and a third is almost always at their partner's place. Three models to keep the flat group chat from going up in flames every month.

MV Marta Vega · Freelance journalist, flat-sharer

Envelopes and bills on a wooden table with a cup of coffee and hands taking notes in a notebook.

couple property tax building fees May 25, 2026

Splitting property tax and service charges: the share almost nobody gets right

Living as a couple isn't just about splitting the grocery shop. Property tax (IBI) lands once a year and the building service charge every quarter, and most couples pay them as if they were aliens dropping into their monthly finances. There's a way to do it properly without going mad.

LM Lucía Martínez · Personal finance writer

Hands on a controller in front of a screen, warm light in a shared room.

friends steam gaming May 22, 2026

Splitting Steam bundles and group purchases between friends

Buying a game bundle together seems simple until it's time to divide it up. Four friends, twelve keys, a single payment and official prices that don't add up. Here's how to split it without anyone feeling they've come off worse.

PR Pablo Reyes · Technologist, group-trip planner

Flatshare fridge with separated shelves, handwritten labels and products from four different tenants

flat groceries splitting May 20, 2026

Groceries in a flat of four: the dilemma of different tastes

In a flat of four there are vegetarians, athletes who cook every day and people who order takeout. How to separate the common from the individual without turning the fridge into a cold-war zone.

MV Marta Vega · Freelance journalist, flat-sharer

Living-room coffee table with two coffees, an open notebook and two bank cards laid out calmly

couple bank account May 18, 2026

Joint checking account: when it's worth it and when it isn't

Opening a joint account isn't a banking decision, it's an emotional one. Three models (single common, partial, no common), when each one works and when it's a red flag.

LM Lucía Martínez · Personal finance writer

Family shopping cart full of basic groceries and kids' snacks in a supermarket aisle

family groceries children May 15, 2026

Splitting the groceries with two kids: how it changes versus a couple

Going from €400 to €700 or €800 a month on groceries when you have two kids isn't just about portions. It changes the basket, the routines and the way the two parents budget together.

CR Carlos Ruiz · Home & family specialist

Bright flatshare kitchen with four mugs, an open notebook and a whiteboard with notes

flat rules living together May 15, 2026

5 rules for flatshare expenses without breaking friendships

Five rules that prevent 80% of money conflicts in a flatshare. Common pot, expense ledger, fixed dates, the five-euro rule and a clean exit. No vague promises.

MV Marta Vega · Freelance journalist, flat-sharer

Couple sitting at the kitchen table reviewing bills and rental contracts with two cups of coffee

couple rent splitting May 11, 2026

How to split the rent when one of you earns more

Splitting the rent 50/50 sounds fair until the salaries get out of balance. Three formulas, their traps, and why the good one is the one that survives a calm month-end conversation.

LM Lucía Martínez · Personal finance writer

Couple in a kitchen looking worried at a long grocery receipt

couple groceries inflation May 07, 2026

Splitting groceries as a couple: how to divide them when prices climb every month

The grocery bill has shot up since 2020, and the 50/50 splits that worked five years ago are creaking today. We look at three ways to divide the basket when incomes aren't equal and prices won't stop rising.

LM Lucía Martínez · Personal finance writer

Shared expenses without arguments.

Wi-Fi and electricity in a flatshare: a fair split with no arguments

Splitting property tax and service charges: the share almost nobody gets right

Splitting Steam bundles and group purchases between friends

Groceries in a flat of four: the dilemma of different tastes

Joint checking account: when it's worth it and when it isn't

Splitting the groceries with two kids: how it changes versus a couple

5 rules for flatshare expenses without breaking friendships

How to split the rent when one of you earns more

Splitting groceries as a couple: how to divide them when prices climb every month