Using built-in recovery tools: Bundled with the macOS installer are useful recovery tools that you can use to troubleshoot and fix all kinds of issues.

If you have multiple Macs, then it makes sense to install it on each machine from a single macOS USB installer, instead of downloading it separately every time.

Installing macOS without re-downloading it: macOS Monterey is around 12 GB large.

Still, there are some situations when having a bootable flash drive with macOS at hand comes in handy:

When a new version of macOS is released, you simply go to System Preferences, click Software Update, and let the installer do its job. Mac users enjoy a hassle-free upgrade process that, for the most part, eliminates the need to fumble with installation media.

Why It’s Useful to Know How to Make a Bootable USB on Mac? How to Start Mac from a USB Drive with Bootable macOS Monterey?.Method 2: Run “createinstallmedia” in Terminal.Method 1: Create a Bootable USB Using Disk Drill.How to Create a Bootable Installer for macOS Monterey?.Warning: Back Up Your Mac to Avoid Losing Important Data.How to Download the macOS Monterey Installer?.Why It’s Useful to Know How to Make a Bootable USB on Mac?.

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