im being kinda nosey but you say your eating a the poly for breakfast (and ofcourse you have a resie cause its usually booked) where are you going? is it the Kona? You know its a character breakfast right? Often they can take longer than an hour. Just heads up, esp on a Sunday..
as for walmart...near the disney resort...i can not remember, but i'm sure there is...i do knwo there are places like walgreens etc just across the street.
have a fun trip
i love disney...