Our house’s sparseness isn’t by necessity or due to lack of money. We’re not really minimalists or cheap.
In our case, it’s the result of a system rather than the goal of being minimalists. By just optimizing our lives for happiness rather than maximum consumption we just wound up with less stuff.
There’s less to worry about, clean, or have to make room for. Having less stuff is an easier and simpler way to go through life. End of story.