I'd doubt food is cheaper in CR than US.
Milk $3 a gallon here or 75c a liter. 90c/liter
A 2 liter Coke is 99c. $2~$2.50
A dozen eggs is $1.50. $2.50~$3
How much are these items in CR chilidog?
Couldn't help myself, I agree life here is not cheaper, it actually is a bit more expensive.