http://www.kozco.com/tech/audacity/Test ... _Clip.html
But does that mean it's over-processed?
It means I think it could sound better but I don't know why yet. I know you have sub-audible interference (thunder) that could be affecting the other tools.
Yes, continually stepping on original, live recordings with corrections is a very New User error. If the edit becomes damaged or the computer falls over without a safety backup, you get to go straight back to the beginning and read it all again.
Pretty much what you're doing now, although I would record a test clip rather than a whole page.