Put samples of shampoo, lotion, conditioner, & other toiletries in a glass container & put in guest bedroom when you have overnight guests. Also perfect to store the samples you have lying around! More guest room ideas on this site!
Simple built-in to create a mudroom and/or storage anywhere from an entry, to kids room or in a laundry room by adding shelves or a deeper bench for sitting. Put drawers under bench or have the seat lift up to store things.