I'd also take this trip to explore some new restaurants that aren't quite as pricey as the signatures and definitely not a daily character meal OOP. There are some great options at the resorts aside from the signatures (wave, kona cafe) and QS options too (contempo cafe is a fave).
I'd add Yak & Yeti, BoG for lunch, Plaza or Linerty Tree for TS or Columbia Harbor House, and of course tons of options at Epcot.