Commercial director James Bisgrove insists Rangers will rake in as much cash in eight days Down Under as they would from an entire Premiership season.
The Ibrox side have signed up for the Sydney Super Cup in November, where they will face rivals Celtic outside Glasgow for the first time ever.
Both clubs have faced a fan backlash for accepting an invite to the mini-tournament, which will also feature A-League outfits Sydney FC and West Sydney Wanderers.