One of the reasons I love getting second-hand hardware is that it's already been burned in, and if anything was going to go wrong, it already has. Ten years and counting for computers, less than that for mobile devices.
I was hesitant to write about this in my comment, but yes, this is actually a higher-weight motivator for me.
Whenever I buy something new I feel like I am making myself complicit to everything that went into making it, and I know it ain't pretty, so why do it when I don't have to.
My top-level motivation for starting out was just to reduce my monthly/annual expenditures so that I could "downshift".
