Thank you for the ideas everyone.

The Dog crate sounds like a good idea and I have an Aunt who may let me borrow one of hers.

Taking her to a friend's house while the house is on the market isn't really an option for two reasons: A) the home market in Cleveland is terrible and we're looking at a long wait before a buyer steps up and B) Terra is a behavioral urinater. When her situation changes dramatically she starts peeing everywhere. Nothing helps except putting the situation back to normal or waiting it out until the new routine is normal to her. I can't do that to a friend. Showing the house and moving will be stressful enough.