Wat is the best way to clean white stuff (kitchen apliances, walls, etc..)?

we have some white apliances like the fridge, toaster, microwave, n stuff like that but our cuboards are also white n most of our walls are too. is there a way to like bleach clean them or something? i hate having white stuff cuz it never stays clean:/ please if u have any how tos on cleaning white stuff then please let me kno ;D thanks:]