Use the wave form to do the editing on. Much more accurate than ‘doing it by ear’.
Not if you have any sense of musical timing 🙂
Helps if you have the preview set to lower quality setting..
Agreed. I usually set it to Preview(Auto).
What you can do (and what I do a lot in similar situations) is to drop markers on the timeline (M key) wherever I want to do an edit.
Makes it much easier to find the right spot.