Has appeared in comments, but deserves its own thread: the MX510 Logitech mouse. Mine is approaching a decade old; still functions perfectly. : r/BuyItForLife
Logitech MX510 VS MX518 Gaming mouse for elder boys - unboxing and tips
Logitech Mx510 Optical Mouse Wired Red Computer Mouse
A 14 Year Old Mouse That's STILL Amazing! Logitech MX510 - YouTube