Snag the Focusrite FAST Reveal/Bundle instead. It’s more expensive than TrackSpacer, but it’s easier to use and does a better job. You can rent to own them over a year.
Focusrite Balancer has taken up all of my sidechain processing duties for me and allows things to breathe properly in the mix because it only ducks the offending frequencies of what you’re sidechaining it from.