The prices that Michael Schön and Karl Schmidt paid for the Castle Mill and for which they sold it bespeak their use of the property at the end of the First World War in the run on tangible assets or for speculation. Neither took any measures to move his household to Heidesheim, and instead let the building. Not so Max Holländer; for health reasons he was obliged to flee the Wiesbaden climate and move with his wife into the Castle Mill. Wealth was obviously something that he did not lack.