

It’s even better than that. In WordPress, you can select a plug-in from within your WordPress administration, and install it directly. You receive update notifications by email, and can upgrade within the administration panel as well. You don’t have to download and then upload anything.
In both Drupal and WordPress, you can upgrade the site and plugins/modules from CPanel.
You could check out FolderFort. Sometimes they have lifetime pricing. I paid something like $170 for 3TB lifetime.
They have SFTP access in beta.