If you duplicate your track, then apply an effect, you can also adjust the gain (volume) of the effect. I believe the duplicated track would then be the original sound (dry signal) with effects, not just the effects. I think I could tease out different areas that need more or less work and then mix them back together! Cool stuff. Or even do a straight substitution.

"You can save a selection in a label. When you create a new label, the left selection edge determines the position of the label's flag. However, the right selection edge is also stored in the label, and when you click on it, the full original selection will be restored. " - Audacity I took a couple hours and started labeling good parts.