Don't pay $10 for what you can get for free: https://github.com/RobinNaumann/disko, https://grandperspectiv.sourceforge.net/, https://www.derlien.com/, etc…

Otherwise, this is good advice. My cousin, who isn't particularly computer savvy thought that buying an Apple computer meant he wouldn't need computer expertise, but it stopped booting after running out of disk space during an update, and he didn't have the hardware or the know-how to recover it, so he basically stopped using computers until I built him a gaming computer years later.