Men wearing a suit show to the outside world that they have a job and are important. People often associate suit-wearers as businessmen which generally earn a lot of money. So a suit could in circumstances be seen as a status symbol.
Elf house on a tree! That would be cute in the garden, especially in the tree over grown with ivy. How about some battery tea lights in the windows during outdoor parties. I hear the fairies/elves whispering "home school project" in my ear.