Disneyland Ticker and Price Estimation

Costco Deal (4-day Parkhopper tickets, hotel, character dining, $20 GC) @ Carousel Inn 4-nights (M-F) – $1328
Extra Character Meal - $100
Gas - $200
Meals
Breakfast – Continental at Hotel
Lunch - $30 per day
Dinner - $40 per day
=$350
Souvenirs - $150