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.
This is one of those clever. So simple, too! Use a kitchen paper towel holder for your garbage bags in the garage. Kitchen garbage bags could be placed on one of those upright paper towel holders for under the sink storage.
Organize Tupperware with CD racks Use wire CD racks to organise your tupperware lids. You need to find a use for those wire CD racks now that no one buys CDs anymore. Re-purpose them to hold your Tupperware lids. ~ possible idea for tuperware lids.
Measurement conversion chart and labeled measuring cup holder for your cabinets doors. (I did this and every time I opened the cabinet, the cups would SMACK the door loudly. It would do better just in a cabinet and not on the door.