- Plenty of storage - snapshots will take lot of space
- Latest Arch Linux install iso because those have newer kernels and more bugfixes in btrfs.
- Have previous experience with installing Arch (like you can install arch with a blind fold).
We will need two of them, one for /boot and the other one will be a btrfs partition with subvolumes.
- /dev/sda1 - this will be /boot with vfat filesystem because UEFI or syslinux for legacy BIOS boot