I also like this idea for a master bedroom because sometimes you don't want to lie in bed to watch movies. also use a washable cover and the sofa can double as the dog's bed :) Place your sofa against the bed. 22 Brilliant Ideas For Your Tiny Apartment
Basement bathroom door for cleaning supplies. Kitchen to basement door for pantry items. Back of girls' door for barbies. Inside girls' closet for shoes. Inside my closet door for belts and scarves. Entry door for shoes, mittens, etc.
Back of the door storage: I love this idea! Try using an over the door clear plastic shoe organizer for extra storage. You can fill those easy to see inside pockets with lunch snacks, road trip snacks,.