Supermarket shelves feature an array of pre-prepared foods designed to save busy households time during frantic weekly routines. While individual single-serve packs, pre-chopped vegetables, and grated blocks offer instant accessibility, they carry an extraordinary retail markup. Manufacturers charge a steep premium for the labor and specialized packaging required to make items ready to eat. Paying extra for convenience quietly drains monthly grocery funds without providing any added nutritional value. I will examine six common foods that cost significantly more when you buy their convenient versions.