At last this weekend I got out of my video lethargy and actually got some work done. The whole problem was starting. I spent too much time worrying what to do and what music to choose that would have been better spent doing something. It isn't as difficult as I tend to think. I essentially adopted the same approach to audio as I did to video trimming.

• Listen to the clip's sound and if the sound is unusable delete the audio clip
• Realise that the sequence of the clips in not important if the clips are unrelated so you can move clips that fit well in music parts.
• The video clip shouldn't necessarily remain attached to its audio. In fact now most clips are unlinked with their audio. It's much easier to edit like this.
• I freely made use of dummy files to make notes in the time line. I insert a dummy file then rename it to the comment of what needs to be done and next time I've got the information in front of me.
• Check whether the clip has more sound at the beginning and the end, they might have a better sound that can be used instead of the current.
• Create audio timelines and open them in another timeline window. Collect samples of reusable sounds like the sea, then edit them with Audition to create one sound clip that can be used whenever required.