100s of Songs: Replay Gain, Removing all silence, Compressing mixes?

[steve]

1.a) I’m in need of help. I want to “normalize” the loudness of all my djing tracks to the same level and for that am using Replay Gain.

Are you referring to this plug-in: ReplayGain plug-in
If so, note that it says:

4. Repeat steps 2 and 3 to each track