Dude, there was so much cat hair and dust in my finish! I sanded back over and over. I eventually ended up building a little drying booth to minimize dust and hair, but there are still a few that I couldn't prevent. Eventually I just accepted that it wouldn't be perfect. And no one seems to notice the imperfections - even if it is all I see.
Current Build: RCA-4 http://www.buildyourownguitar.com.au...ead.php?t=8261