However, they don't look at how your expenses will grow after upgrading to a bigger and better house. The bigger the house, the bigger the expenses, in every possible way. It is up to you to consider these increased expenses when looking at how much house you can afford. And while it's not always the case, for the purposes here I'm assuming the larger the house, the more valuable. It may not seem like it, but I'm not trying to dissuade you from upgrading to a larger house.
Source: Forbes January 30, 2018 13:18 UTC