Investing

Pay Down Your Mortgage or Invest €10,000? The Real Math, Step by Step

August 10, 2026

You get €10,000 out of nowhere. A big bonus, a small inheritance, a severance payment, savings that have finally added up. And the usual dilemma shows up: do you use it to pay down the mortgage, or do you invest it?

The answer you’ll find almost everywhere is “it depends.” True, but not very useful. Let’s do the real math with numbers, so you know exactly what you’re comparing and which part of the decision isn’t math at all, but how well you sleep at night.

What's new in Cuéntamo: net worth, advanced forecasting, investments and income tax

June 24, 2026

An accounting app isn’t a social network: if things are going well, you don’t need to open it every day. But over the last few months Cuéntamo has changed enough to deserve a proper look. And almost everything new has something in common: it solves something you used to do by hand, in a spreadsheet, or by checking four different places.

More than a list of features, this is a tour of what problem each new thing solves. By section.

How your investments are taxed in Spain: a practical IRPF guide

May 6, 2026

One of the questions that comes up most when someone starts investing is: and how do I declare this? The short answer is that the Spanish Tax Agency (Agencia Tributaria) wants its share of what you earn by investing. The long answer is that the system has its nuances, and knowing them can save you quite a bit of money.

This article explains in a practical way how the main investment products are taxed in Spain, without beating around the bush and without claiming to replace a tax adviser.

How to Start Investing from Scratch (Even If You Know Nothing About the Stock Market)

May 3, 2026

Investing feels a little daunting at first. Some people put it off for years because it seems too complicated, too risky, or too much of a “rich person’s game”. Meanwhile, their money has been quietly losing purchasing power sitting in a current account.

This article is for that person. No unnecessary jargon, no promises of magical returns, and no hidden sales pitch.

Why invest if I already have savings?

Because money sitting idle in a current account loses value over time. If inflation runs at 3% a year and your savings earn nothing, in ten years your purchasing power will have dropped significantly, even though the number in your account stays the same.