How Much House Can You Actually Afford?

Hint - It’s Probably Not What the Bank Says

My wife and I recently went through the process of getting pre-approved for a mortgage. On paper, everything looked good. Strong income, solid savings, no major issues. The kind of situation where you expect things to line up cleanly.

Then the number came back, and it was higher than we expected.

At first, it felt like good news, more flexibility and more options. But that reaction didn't last long. The more we sat with it, the more something felt off. Not because the number was wrong, but because it didn't reflect our actual life.

That number came from a formula. Income, debt, interest rates. Clean inputs, clean output. What it didn't account for was everything that doesn't fit on an application; how we want to spend our time, what we're building toward, what we're not willing to give up. And that's the part where people get into trouble.

A bank will give you a number, but it won't show you what that number does to everything else. It won't show you how your savings rate shifts once that payment is in place. It won't show you how consistent investing becomes harder, or how financial flexibility starts to narrow in ways you don't notice right away. Those aren't dramatic consequences. On paper, the number can absolutely work. But in real life, it starts to create pressure and that pressure compounds quietly in the background.

This was the part that gave us pause. Because the decision wasn't really about the house. It was about what the house purchase would change.

Most people approach this by asking what they're approved for, or what they can technically afford. Those are reasonable questions, but they live in isolation. They don't connect to the rest of the financial picture. The better questions, at least for us, were:

• What will this decision look like across everything else?

• How does it affect our ability to keep investing the way we want to?

• What happens if priorities shift in a few years?

• Are we giving up flexibility without fully realizing it?

Those questions don't come with a pre-approval letter. But they're the ones that matter.

Buying a home touches more than just your monthly payment. It flows into your cash flow, your investment trajectory, your tax situation, and your future options. All those pieces interact, whether you plan for them to or not. And without that coordination, even a smart purchase can quietly work against you.

What we kept coming back to was simple. The goal wasn't to find the maximum number that works. It was to find the number that fits. The one that allows everything else to keep moving in the right direction.  The one that supports the life we're building, not just the house we're buying.

If you’ve been handed a number and you’re not sure how it fits into the rest of your life, that’s not something you have to figure out on your own.

This is the kind of decision I help people pressure test every day. If it would be helpful to talk it through, I’m always open to being a second set of eyes.