Camper spot and park tickets: $5700
Golf cart rental $727
Gas for Trip  $430

These numbers are not exact but a good representation of what I recall.
Snacks in Park average of $35 each day. $210
Lunch meals $500
Dinner  Meals $1200
Breakfast Meals $500

Souvenirs  $500

Memories made and family time = priceless and worth every penny spent!