Elaine needs to save a few more dollars each month. She takes a look at her budget and decides that spending less on groceries will give her the extra cash she needs to save and keep her on budget. Which of these will help her to save money on groceries?
A) shopping only once a month
B) buying more snack foods and less vegetables
C) buying a few grocery items daily, rather than each week
D) planning a weekly menu and using a shopping list for the needed items