Every artist wishes to sell his work, if only to make enough money to make another painting. Selling one’s work to a collector and becoming financially independent is a dream. Of course, artists do not only wish for the money, but for the interaction which occurs when their work is exhibited. However, it is the art market which determines which works should be on view. Some collectors keep their art hidden away because rarity of work fuels prices. How does this affect the artist and the viewer?