Blog · Shared expenses for couples, flatmates and friends

A group of friends preparing ski gear beside a car at the entrance of a mountain apartment.

friends snow skiing Oct 09, 2026

A Group Ski Trip: Lift Pass, Petrol, Accommodation

Lift pass, accommodation and petrol are three axes with different logics. If you put them in the same bucket and divide by six, someone ends up paying for what they didn't use. Here's a scheme to split it well.

ControlarGastos · Groups & trips

Shared-flat living-room table with glasses, homemade food and warm nighttime party light.

flat parties living together Oct 07, 2026

Farewells and Welcomes: Parties Inside the Flat

The flat's birthday, the farewell for the one moving to Berlin, the welcome for the new one. A shared flat's internal parties are tradition and an accounting trap. How to organize them so neither the guest of honour overpays nor the rest pay for the first one's party by default.

ControlarGastos · Flat-sharing

Couple reviewing a finance contract in the living room with a new appliance in the background.

couple financing appliances Oct 05, 2026

A Bank Loan for Appliances: Who Signs, Who Pays

Washing machine, fridge, sofa. When you buy them on credit, it matters enormously whose name the loan is in, what each person's credit file says, and how you split the instalments as the relationship evolves. It's a formality that looks minor and leaves a mark for years.

ControlarGastos · Couples & money

Kitchen table with notebooks, a backpack, pencils and books for the new school year.

family school august Oct 02, 2026

School Supplies: The Most Expensive Day of the Summer

In the last week of August, a family with two primary-school children can drop three hundred and fifty euros in a single afternoon. It's not bad luck: it's a predictable expense worth breaking down piece by piece so it neither frightens you nor knocks September off balance.

ControlarGastos · Family & home

Shared-flat living-room table with an open laptop, a router and soft side light.

flat wifi remote work Sep 30, 2026

Splitting Wi-Fi in a shared flat when one works from home

The one who works from home uses far more bandwidth and far more router time than the others. The legitimate question is whether that justifies paying more. There are arguments to defend it and arguments to knock it down, and the honest answer sits somewhere odd between the two.

ControlarGastos · Flat-sharing

Couple reviewing financial documents at a kitchen table in warm light.

couple inheritance assets Sep 28, 2026

Inheritance in a couple: pool it or keep it separate?

An inheritance always enters in the name of whoever receives it, even if you're married under community property. The hard part isn't the Civil Code: it's deciding, without anyone feeling examined, what share of that money goes to the shared project.

ControlarGastos · Couples & money

Four open pizza boxes on a low table with drinks and hands helping themselves to slices.

friends pizza vegan Sep 25, 2026

Pizza for 6 with 4 Meat-Eaters and 2 Vegans: The Fair Split

The margherita is cheaper than the four-cheese, and the porcini vegan costs the same as the barbecue. Splitting the total six ways looks fair, but it only is if everyone eats the same in value.

ControlarGastos · Groups & trips

Mop bucket and folded cleaning cloths on the floor of a bright shared-flat living room.

flat cleaning utilities Sep 23, 2026

Professional Cleaning vs Splitting Chores: The Calculation

Sixty euros once a month among four flatmates is fifteen a head. The question isn't whether it's expensive: it's how much your Sunday is worth and how heavily chore rotation weighs on shared living.

ControlarGastos · Flat-sharing

Table with a quarterly accounts notebook, a calculator and two coffee cups, warm afternoon light.

couple freelance variable Sep 21, 2026

Splitting expenses when one partner earns variable income

One month brings in 4,500 euros and the next just 1,200. Splitting a couple's expenses by a fixed percentage of income punishes the bad streaks; adjusting by quarter with a reserve fund works far better.

ControlarGastos · Couples & money

An open drawer with children's clothes folded by colour and a pair of small trainers on top.

family clothes children Sep 18, 2026

Kids' clothing: the real cost and how to split it

Little ones' sizes last three or six months, garments wear out before they're worn out and the wardrobe is a bottomless pit. Looking at the real annual cost helps you budget better and split it sensibly between both parents.

ControlarGastos · Family & home

Shared expenses without arguments.

Topics

A Group Ski Trip: Lift Pass, Petrol, Accommodation

Farewells and Welcomes: Parties Inside the Flat

A Bank Loan for Appliances: Who Signs, Who Pays

School Supplies: The Most Expensive Day of the Summer

Splitting Wi-Fi in a shared flat when one works from home

Inheritance in a couple: pool it or keep it separate?

Pizza for 6 with 4 Meat-Eaters and 2 Vegans: The Fair Split

Professional Cleaning vs Splitting Chores: The Calculation

Splitting expenses when one partner earns variable income

Kids' clothing: the real cost and how to split it