Princess Persephone Loses the Castle (Money Tales)

Princess Persephone was cold in her castle on freezing Ganymede. So, when Aluminum Jim came calling to sell her tin sheets to nail onto the exterior walls to keep out the cold, Persephone was only to happy to agree to a loan, and sign the contract without reading it. What could she do when the tin sheets didn't work, she couldn't repay the loan, and Jim claimed the castle?