S.Peelman on 30 September 2015
Both obviously, autosave is handy to not lose any progress, manual is handy to have a back-up of a certain point. I also always use both, and, if possible, a quick-save option.
If I had to choose one of them though, autosave it would be, I can't tell you how much total progress I've lost over the years because some game crapped out.
