I've had many mice, and I've never had one fail. I've got mice that are over 20 years old and still work.

So unless you are the hulk and not aware of it, I have to wonder if something else in your environment is affecting them.

Do you buy them all from the same retailer? Do you live underwater? Or next to a high power transmission station?!

I've never broken a mechanical keyboard, but I have gone through a few mice. None of my MX mice (MX Master, MX Anywhere) have failed, but only gaming mice. I have a feeling gaming mice just aren't built to last, especially in recent years as brands have chased lighter and lighter mice, likely sacrificing durability.

Kailh GM 8.0 (1) switches are supposed to be long-lasting. The switches in my Logitech mouse started to fail so I replaced them with the GM 8.0s - they are very clicky and still going strong.

If I was to order more, I'd go with softer switches - the GM 8.0 is a tad hard to click for games with repetitive clicking.

1: https://www.aliexpress.com/item/3256804334576149.html

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I destroyed my beloved Logitech trackball's PCB trying to desolder its switches, which had become unreliable, but for the mouse, saw someone on YouTube heat all three leads of the switch at once until they could lift it straight off the PCB - this was far easier than trying to clean the solder off each lead and made the process almost easy.