One's main source of income (5,3,6)
I believe the answer is:
bread and butter
(Other definitions for bread and butter that I've seen before include "Subsistence" , "Means of support" , "sandwiches?" , "Food" , "pudding" .)
I believe the answer is:
bread and butter
(Other definitions for bread and butter that I've seen before include "Subsistence" , "Means of support" , "sandwiches?" , "Food" , "pudding" .)