You can use an all day pass on the bus for 4,50$.
On food, the best and cheapest places are Burguer King, la lechonera, cuban café and supermarkets like Aldi, la chiquita or Fancy fruits.
For a place to stay in, i use Airbnb but if you don't feel comfortable using an app, you can check for hotels outside downtown disney and you will find rooms from 20$ to whatever the price you need.
We got information about prices in United States on food in cafes and restaurants, products in supermarkets, accommodation rental, real estate and transportation costs based on the data of 32 people. At the moment, prices have been added to such cities as Beverly Hills, Boston, Burien, Cambridge, Centennial, Chicago, Commack, Detroit, Fort Washington, Houston, Indianapolis, Long Beach, Los Angeles, Miami Beach, Middleton, New York, Orlando, San Antonio, San Diego, San Francisco, Springfield, Tyngsboro, Washington and Yonkers.
We analyzed the average prices in United States and calculated that one day in country will cost you 215 US dollars.