Don’t just do things the same way because that is how you’ve always done it, or that’s how somebody showed us. Author Tim Ferris reflects on this when questioning if the savings from using single-ply toilet paper (a thriftiness habit he inherited) offset the nuisance:

Optimizing for frugality is old software that’s been running in my head—unquestioned and unexamined—for decades. It became a default mode during formative years, and it got grandfathered into my current life, where it simply doesn’t apply in the same way. No conscious, comprehensive updates have been made in a very long time.