Is Gentoo bad for a microSD

[thegrind]

I have a microSD on a Rpi5. I am looking to compile a kernel and headless chromium. Will all this emerging and compiling really chew up my card? I bought a better performing but I'd like to move it over after I'm done with some heavy compiling/emerging. Thoughts?

[Zucca]

I'd maybe use an USB stick to store Portage temporary files (PORTAGE_TMPDIR).
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[Banana]

They have improved over the years, but I would suggest either: Build on different PC, use binhost or use an extranl drive on your Pi.
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PFL - Portage file list - find which package a file or command belongs to.
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[pa4wdh]

I have been running a Raspberry Pi 2 based NTP server since 2016 running Gentoo from a microSD card. It's biggest compile job is gcc (running the job from disk and using lots of swap because it only has 1GB of memory). So far i've replaced the SD card twice, but never because it failed. I usually get low on space for the rootfs and wait for nice discounts on cards.
Now it has a 128GB Samsung card i bought for about 20 euros using f2fs as a filesystem. As far as i know sdcards don't have smart-like functions so i can't tell how much has been read/written on the card.
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[Naib]

Things have improved but the old trope still exists (but is still something to be mindful of)... >100,000writes means you are likely to face physical failure before bit failure.
Gentoo and linux does increase the number of writes but there are some things you can do to prolong it

1. disable atime
2. disable logging - or selectively
3. use a non-journaled FS (or use FSFS)
4. use gentoo binhost
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