Hmmm...thinking about Value season, maybe they don't need to stay onsite at Universal. I'm just throwing out some numbers here and thinking aloud if they stayed at Disney even for the Universal portion of their trip...
All Star Sports, 7 nights (Aug 29 - Sep 5)
Disney tix: 4 day WPF&M
Food: Free QSDP
WDW pkg total: $2350.48
Universal tix: 2 day park-to-park: $771.08
Pack food for Universal: $50 x 2 days: $100
Parking - $17 x 2 days: $34
TOTAL: $3255.56