Everest Backup has potential but after using it to try to backup several sites, it's not ready for primetime. It functions somewhere like an early beta release.

It hangs often during backups and restores, and when it does, it shows a weird message at the bottom of the plugin screen that asks you why you're deactivating the plugin.

There's several other bugs I've encountered but at the end of the day it needs a lot more beta testing. For most LTDs I'm willing to wait it out, but on something as mission critical as website backup and migration, I have to draw a line.

If you are willing to roll the dice, maybe this will be worth it at some point. Their support was responsive, so that's a positive and I wish them the best.