As tempting as it is to bring snacks in your room, all of those dirty dishes and wrappers can mess up a room fast. If you absolutely must eat food in your room, bring dishes back to the kitchen and throw all trash in the garbage when you are done. You may also find it helpful to have your own trash can. Make sure that there are no leftover crumbs! Crumbs can and will attract bugs like ants and cockroaches, and bugs in a room is no joke!