Word play: Cashtration

The Washington Post's Mensa Invitational invited readers to take any word from the dictionary, alter it by adding, subtracting, or changing one letter, and supply a new definition. One of the winners is:

Cashtration (n.): The act of buying a house, which renders the subject financially impotent for an indefinite period of time. 

The English language needs this...

Thanks to the Episcopal Padre!