Possible Clues:

• Outrageous, as a price
• Exceeding the bounds of reason
• Old World movement offered a new religious text - a price too high to pay
• Enormous, fantastic treat in box
• Steep tax Breton and I reimposed
• Unreasonable alien soldier perhaps guarding stadium after revolution
• High cost of living holds single relative back
• Outrageous
• Way overpriced
• Unreasonably expensive