We have a deal on FoldersSynchronizer for Mac, a Mac utility that synchronizes and backs-up files, folders and disks. You choose one or more pairs of files, folders or disks then FS will synchronize or backup those exactly. It works on Intel and Apple M1 Macs, and a lifetime subscription is $14.99 through our deal.
Check It Out: FoldersSynchronizer for Mac: Lifetime Subscription