Hi Gareth,
You might want to have a look at the recent Course Creator and Site Administrator webinar series that go over many of the skills needed to successfully run an course and implement a Totara site.
Course Creator: https://www.youtube.com/playlist?list=PLNxNrK7-TTYcXK-ZwnmJ77_MnVjsjZ5m2
Site Admin: http://www.youtube.com/playlist?list=PLNxNrK7-TTYe6iQkD2sFDKJ0WHfKtoebn
Cheers,
Lori