The Simple Mental Model That Changed My Financial Life

financial mental model

When it comes to spending money, I’ve made so many mistakes. When I think about the amount of money I’ve wasted in the past, I feel bad in my stomach. I didn’t have the best mental model for my financial life back then.

As someone who practices Stoicism and Mindfulness, I don’t get attached to those feelings. But still, it does hurt a little bit.

For instance, I think I bought a new winter jacket almost every year until four or five years ago when I finally decided to spend a grand on a high-quality jacket.

I spent probably twice as much in the ten prior years. But now that I have a great (and warm) winter parka, I don’t even think about getting a new one. So I’m not spending any more money. I’m also not spending time and energy on finding new jackets. 

I call this way of looking at the world, or mental model, “Save time and money by spending well.”

In most languages, there’s a saying that captures that philosophy. In The Netherlands, we say, “Buying cheap is expensive.” But this is not only true for buying things.

In this article, I will share 3 personal examples of my life where I applied this mental model and how it changed my life financially.

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